Help! Inaccessible VM.

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Mick3001
Posts: 5
Joined: 13. Jun 2012, 13:14

Help! Inaccessible VM.

Post by Mick3001 »

Hi,I am having a major problem with one of my VM machines I hope someone can help me, I am currently doing a college project involving servers and client machines, this morning when I opened virtual box my server machine is inaccessible and I cannot access it all the only option I have is to refresh,
The error I am recieving is ,
Hard disk 'C:\Users\Michael\VirtualBox VMs\Server2\Snapshots/{964c062c-e49d-4ead-ac2c-2fb77fedb1a8}.vmdk' with UUID {964c062c-e49d-4ead-ac2c-2fb77fedb1a8} cannot be directly attached to the virtual machine 'Server2' ('C:\Users\Michael\VirtualBox VMs\Server2\Server2.vbox') because it has 1 differencing child hard disks.
Result Code:
E_FAIL (0x80004005)
Component:
Machine
Interface:
IMachine {5eaa9319-62fc-4b0a-843c-0cb1940f8a91}

Does anyone know how I could fix this, or restore it to the most recent snapshot?
Mick3001
Posts: 5
Joined: 13. Jun 2012, 13:14

Re: Help! Inaccessible VM.

Post by Mick3001 »

This is my XML code if it helps, iv had to split it in half.

Code: Select all

<?xml version="1.0"?>
<!--
** DO NOT EDIT THIS FILE.
** If you make changes to this file while any VirtualBox related application
** is running, your changes will be overwritten later, without taking effect.
** Use VBoxManage or the VirtualBox Manager GUI to make changes.
-->

  <Machine uuid="{bae451d1-9a8b-4564-97f6-a375bae6b9ee}" name="Server2" OSType="Windows2008" stateFile="Snapshots/2012-06-12T23-17-39-423596300Z.sav" currentSnapshot="{6fd9c613-45cf-4e07-a0b5-800ab05c6ad4}" snapshotFolder="Snapshots" lastStateChange="2012-06-12T23:17:44Z">
    <MediaRegistry>
      <HardDisks>
        <HardDisk uuid="{4e684363-d243-4f78-99e0-e968c6805857}" location="Server2.vmdk" format="VMDK" type="Normal">
          <HardDisk uuid="{74c9c5ec-b0d1-4481-8270-86615ea4b408}" location="Snapshots/{74c9c5ec-b0d1-4481-8270-86615ea4b408}.vmdk" format="VMDK">
            <HardDisk uuid="{80f8695e-49a9-4020-aa16-663c00492ad7}" location="Snapshots/{80f8695e-49a9-4020-aa16-663c00492ad7}.vmdk" format="VMDK">
              <HardDisk uuid="{b3039087-9fc8-4626-9aa3-daea09e2d9e2}" location="Snapshots/{b3039087-9fc8-4626-9aa3-daea09e2d9e2}.vmdk" format="VMDK">
                <HardDisk uuid="{dcdb2410-4e30-4afa-a5c1-64793dd67b32}" location="Snapshots/{dcdb2410-4e30-4afa-a5c1-64793dd67b32}.vmdk" format="VMDK">
                  <HardDisk uuid="{964c062c-e49d-4ead-ac2c-2fb77fedb1a8}" location="Snapshots/{964c062c-e49d-4ead-ac2c-2fb77fedb1a8}.vmdk" format="VMDK">
                    <HardDisk uuid="{d176021c-b26d-488c-a369-0f05517b3800}" location="Snapshots/{d176021c-b26d-488c-a369-0f05517b3800}.vmdk" format="VMDK"/>
                  </HardDisk>
                </HardDisk>
              </HardDisk>
            </HardDisk>
          </HardDisk>
        </HardDisk>
      </HardDisks>
      <DVDImages/>
      <FloppyImages/>
    </MediaRegistry>
    <ExtraData>
      <ExtraDataItem name="GUI/LastCloseAction" value="save"/>
      <ExtraDataItem name="GUI/LastGuestSizeHint" value="800,600"/>
      <ExtraDataItem name="GUI/LastNormalWindowPosition" value="8,30,800,642"/>
    </ExtraData>
    <Snapshot uuid="{6ddd2044-75c5-44a7-a844-7d6510f6e15c}" name="Snapshot Server2" timeStamp="2012-06-08T16:01:15Z" stateFile="Snapshots/2012-06-08T16-01-15-133921700Z.sav">
      <Hardware version="2">
        <CPU count="1" hotplug="false">
          <HardwareVirtEx enabled="true" exclusive="false"/>
          <HardwareVirtExNestedPaging enabled="true"/>
          <HardwareVirtExVPID enabled="true"/>
          <PAE enabled="false"/>
          <HardwareVirtExLargePages enabled="true"/>
          <HardwareVirtForce enabled="false"/>
        </CPU>
        <Memory RAMSize="512" PageFusion="false"/>
        <HID Pointing="USBTablet" Keyboard="PS2Keyboard"/>
        <HPET enabled="false"/>
        <Chipset type="PIIX3"/>
        <Boot>
          <Order position="1" device="Floppy"/>
          <Order position="2" device="DVD"/>
          <Order position="3" device="HardDisk"/>
          <Order position="4" device="None"/>
        </Boot>
        <Display VRAMSize="18" monitorCount="1" accelerate3D="false" accelerate2DVideo="false"/>
        <RemoteDisplay enabled="false" authType="Null" authTimeout="5000"/>
        <BIOS>
          <ACPI enabled="true"/>
          <IOAPIC enabled="false"/>
          <Logo fadeIn="true" fadeOut="true" displayTime="0"/>
          <BootMenu mode="MessageAndMenu"/>
          <TimeOffset value="0"/>
          <PXEDebug enabled="false"/>
        </BIOS>
        <USBController enabled="true" enabledEhci="false"/>
        <Network>
          <Adapter slot="0" enabled="true" MACAddress="080027B4538D" cable="true" speed="0" type="82540EM">
            <DisabledModes>
              <NAT>
                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
              </NAT>
            </DisabledModes>
            <InternalNetwork name="intnet"/>
          </Adapter>
          <Adapter slot="1" enabled="false" MACAddress="0800279CBADE" cable="true" speed="0" type="82540EM">
            <DisabledModes>
              <NAT>
                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
              </NAT>
            </DisabledModes>
          </Adapter>
          <Adapter slot="2" enabled="false" MACAddress="08002773504F" cable="true" speed="0" type="82540EM">
            <DisabledModes>
              <NAT>
                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
              </NAT>
            </DisabledModes>
          </Adapter>
          <Adapter slot="3" enabled="false" MACAddress="0800273DD42F" cable="true" speed="0" type="82540EM">
            <DisabledModes>
              <NAT>
                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
              </NAT>
            </DisabledModes>
          </Adapter>
          <Adapter slot="4" enabled="false" MACAddress="080027A2DDB0" cable="true" speed="0" type="82540EM">
            <DisabledModes>
              <NAT>
                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
              </NAT>
            </DisabledModes>
          </Adapter>
          <Adapter slot="5" enabled="false" MACAddress="0800270487A6" cable="true" speed="0" type="82540EM">
            <DisabledModes>
              <NAT>
                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
              </NAT>
            </DisabledModes>
          </Adapter>
          <Adapter slot="6" enabled="false" MACAddress="08002700A135" cable="true" speed="0" type="82540EM">
            <DisabledModes>
              <NAT>
                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
              </NAT>
            </DisabledModes>
          </Adapter>
          <Adapter slot="7" enabled="false" MACAddress="080027C42917" cable="true" speed="0" type="82540EM">
            <DisabledModes>
              <NAT>
                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
              </NAT>
            </DisabledModes>
          </Adapter>
        </Network>
        <UART>
          <Port slot="0" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
          <Port slot="1" enabled="false" IOBase="0x2f8" IRQ="3" hostMode="Disconnected"/>
        </UART>
        <LPT>
          <Port slot="0" enabled="false" IOBase="0x378" IRQ="4"/>
          <Port slot="1" enabled="false" IOBase="0x378" IRQ="4"/>
        </LPT>
        <AudioAdapter controller="HDA" driver="DirectSound" enabled="true"/>
        <RTC localOrUTC="local"/>
        <SharedFolders/>
        <Clipboard mode="Bidirectional"/>
        <IO>
          <IoCache enabled="true" size="5"/>
          <BandwidthGroups/>
        </IO>
        <HostPci>
          <Devices/>
        </HostPci>
        <Guest memoryBalloonSize="0"/>
        <GuestProperties>
          <GuestProperty name="/VirtualBox/HostInfo/GUI/LanguageID" value="en_US" timestamp="1338983464149877200" flags=""/>
        </GuestProperties>
      </Hardware>
      <StorageControllers>
        <StorageController name="IDE Controller" type="PIIX4" PortCount="2" useHostIOCache="true" Bootable="true">
          <AttachedDevice passthrough="false" type="DVD" port="1" device="0">
            <Image uuid="{72282bb8-87d0-43e9-9dce-38b827e78e16}"/>
          </AttachedDevice>
        </StorageController>
        <StorageController name="SATA Controller" type="AHCI" PortCount="1" useHostIOCache="false" Bootable="true" IDE0MasterEmulationPort="0" IDE0SlaveEmulationPort="1" IDE1MasterEmulationPort="2" IDE1SlaveEmulationPort="3">
          <AttachedDevice type="HardDisk" port="0" device="0">
            <Image uuid="{4e684363-d243-4f78-99e0-e968c6805857}"/>
          </AttachedDevice>
        </StorageController>
      </StorageControllers>
      <Snapshots>
        <Snapshot uuid="{ba695b19-bf4f-43d9-bfb8-4d949bde13a1}" name="Snapshot 1" timeStamp="2012-06-08T17:38:52Z" stateFile="Snapshots/2012-06-08T17-38-52-068658000Z.sav">
          <Hardware version="2">
            <CPU count="1" hotplug="false">
              <HardwareVirtEx enabled="true" exclusive="false"/>
              <HardwareVirtExNestedPaging enabled="true"/>
              <HardwareVirtExVPID enabled="true"/>
              <PAE enabled="false"/>
              <HardwareVirtExLargePages enabled="true"/>
              <HardwareVirtForce enabled="false"/>
            </CPU>
            <Memory RAMSize="512" PageFusion="false"/>
            <HID Pointing="USBTablet" Keyboard="PS2Keyboard"/>
            <HPET enabled="false"/>
            <Chipset type="PIIX3"/>
            <Boot>
              <Order position="1" device="Floppy"/>
              <Order position="2" device="DVD"/>
              <Order position="3" device="HardDisk"/>
              <Order position="4" device="None"/>
            </Boot>
            <Display VRAMSize="18" monitorCount="1" accelerate3D="false" accelerate2DVideo="false"/>
            <RemoteDisplay enabled="false" authType="Null" authTimeout="5000"/>
            <BIOS>
              <ACPI enabled="true"/>
              <IOAPIC enabled="false"/>
              <Logo fadeIn="true" fadeOut="true" displayTime="0"/>
              <BootMenu mode="MessageAndMenu"/>
              <TimeOffset value="0"/>
              <PXEDebug enabled="false"/>
            </BIOS>
            <USBController enabled="true" enabledEhci="false"/>
            <Network>
              <Adapter slot="0" enabled="true" MACAddress="080027B4538D" cable="true" speed="0" type="82540EM">
                <DisabledModes>
                  <NAT>
                    <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                    <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                  </NAT>
                </DisabledModes>
                <InternalNetwork name="intnet"/>
              </Adapter>
              <Adapter slot="1" enabled="false" MACAddress="0800279CBADE" cable="true" speed="0" type="82540EM">
                <DisabledModes>
                  <NAT>
                    <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                    <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                  </NAT>
                </DisabledModes>
              </Adapter>
              <Adapter slot="2" enabled="false" MACAddress="08002773504F" cable="true" speed="0" type="82540EM">
                <DisabledModes>
                  <NAT>
                    <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                    <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                  </NAT>
                </DisabledModes>
              </Adapter>
              <Adapter slot="3" enabled="false" MACAddress="0800273DD42F" cable="true" speed="0" type="82540EM">
                <DisabledModes>
                  <NAT>
                    <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                    <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                  </NAT>
                </DisabledModes>
              </Adapter>
              <Adapter slot="4" enabled="false" MACAddress="080027A2DDB0" cable="true" speed="0" type="82540EM">
                <DisabledModes>
                  <NAT>
                    <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                    <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                  </NAT>
                </DisabledModes>
              </Adapter>
              <Adapter slot="5" enabled="false" MACAddress="0800270487A6" cable="true" speed="0" type="82540EM">
                <DisabledModes>
                  <NAT>
                    <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                    <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                  </NAT>
                </DisabledModes>
              </Adapter>
              <Adapter slot="6" enabled="false" MACAddress="08002700A135" cable="true" speed="0" type="82540EM">
                <DisabledModes>
                  <NAT>
                    <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                    <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                  </NAT>
                </DisabledModes>
              </Adapter>
              <Adapter slot="7" enabled="false" MACAddress="080027C42917" cable="true" speed="0" type="82540EM">
                <DisabledModes>
                  <NAT>
                    <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                    <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                  </NAT>
                </DisabledModes>
              </Adapter>
            </Network>
            <UART>
              <Port slot="0" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
              <Port slot="1" enabled="false" IOBase="0x2f8" IRQ="3" hostMode="Disconnected"/>
            </UART>
            <LPT>
              <Port slot="0" enabled="false" IOBase="0x378" IRQ="4"/>
              <Port slot="1" enabled="false" IOBase="0x378" IRQ="4"/>
            </LPT>
            <AudioAdapter controller="HDA" driver="DirectSound" enabled="true"/>
            <RTC localOrUTC="local"/>
            <SharedFolders/>
            <Clipboard mode="Bidirectional"/>
            <IO>
              <IoCache enabled="true" size="5"/>
              <BandwidthGroups/>
            </IO>
            <HostPci>
              <Devices/>
            </HostPci>
            <Guest memoryBalloonSize="0"/>
            <GuestProperties>
              <GuestProperty name="/VirtualBox/HostInfo/GUI/LanguageID" value="en_US" timestamp="1338983464149877200" flags=""/>
            </GuestProperties>
          </Hardware>
          <StorageControllers>
            <StorageController name="IDE Controller" type="PIIX4" PortCount="2" useHostIOCache="true" Bootable="true">
              <AttachedDevice passthrough="false" type="DVD" port="1" device="0">
                <Image uuid="{72282bb8-87d0-43e9-9dce-38b827e78e16}"/>
              </AttachedDevice>
            </StorageController>
            <StorageController name="SATA Controller" type="AHCI" PortCount="1" useHostIOCache="false" Bootable="true" IDE0MasterEmulationPort="0" IDE0SlaveEmulationPort="1" IDE1MasterEmulationPort="2" IDE1SlaveEmulationPort="3">
              <AttachedDevice type="HardDisk" port="0" device="0">
                <Image uuid="{74c9c5ec-b0d1-4481-8270-86615ea4b408}"/>
              </AttachedDevice>
            </StorageController>
          </StorageControllers>
          <Snapshots>
            <Snapshot uuid="{db2a47fb-872a-4736-8bff-385b4c532b8b}" name="Snapshot 2" timeStamp="2012-06-09T12:33:26Z" stateFile="Snapshots/2012-06-09T12-33-26-521130700Z.sav">
              <Hardware version="2">
                <CPU count="1" hotplug="false">
                  <HardwareVirtEx enabled="true" exclusive="false"/>
                  <HardwareVirtExNestedPaging enabled="true"/>
                  <HardwareVirtExVPID enabled="true"/>
                  <PAE enabled="false"/>
                  <HardwareVirtExLargePages enabled="true"/>
                  <HardwareVirtForce enabled="false"/>
                </CPU>
                <Memory RAMSize="512" PageFusion="false"/>
                <HID Pointing="USBTablet" Keyboard="PS2Keyboard"/>
                <HPET enabled="false"/>
                <Chipset type="PIIX3"/>
                <Boot>
                  <Order position="1" device="Floppy"/>
                  <Order position="2" device="DVD"/>
                  <Order position="3" device="HardDisk"/>
                  <Order position="4" device="None"/>
                </Boot>
                <Display VRAMSize="18" monitorCount="1" accelerate3D="false" accelerate2DVideo="false"/>
                <RemoteDisplay enabled="false" authType="Null" authTimeout="5000"/>
                <BIOS>
                  <ACPI enabled="true"/>
                  <IOAPIC enabled="false"/>
                  <Logo fadeIn="true" fadeOut="true" displayTime="0"/>
                  <BootMenu mode="MessageAndMenu"/>
                  <TimeOffset value="0"/>
                  <PXEDebug enabled="false"/>
                </BIOS>
                <USBController enabled="true" enabledEhci="false"/>
                <Network>
                  <Adapter slot="0" enabled="true" MACAddress="080027B4538D" cable="true" speed="0" type="82540EM">
                    <DisabledModes>
                      <NAT>
                        <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                        <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                      </NAT>
                    </DisabledModes>
                    <InternalNetwork name="intnet"/>
                  </Adapter>
                  <Adapter slot="1" enabled="false" MACAddress="0800279CBADE" cable="true" speed="0" type="82540EM">
                    <DisabledModes>
                      <NAT>
                        <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                        <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                      </NAT>
                    </DisabledModes>
                  </Adapter>
                  <Adapter slot="2" enabled="false" MACAddress="08002773504F" cable="true" speed="0" type="82540EM">
                    <DisabledModes>
                      <NAT>
                        <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                        <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                      </NAT>
                    </DisabledModes>
                  </Adapter>
                  <Adapter slot="3" enabled="false" MACAddress="0800273DD42F" cable="true" speed="0" type="82540EM">
                    <DisabledModes>
                      <NAT>
                        <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                        <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                      </NAT>
                    </DisabledModes>
                  </Adapter>
                  <Adapter slot="4" enabled="false" MACAddress="080027A2DDB0" cable="true" speed="0" type="82540EM">
                    <DisabledModes>
                      <NAT>
                        <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                        <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                      </NAT>
                    </DisabledModes>
                  </Adapter>
                  <Adapter slot="5" enabled="false" MACAddress="0800270487A6" cable="true" speed="0" type="82540EM">
                    <DisabledModes>
                      <NAT>
                        <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                        <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                      </NAT>
                    </DisabledModes>
                  </Adapter>
                  <Adapter slot="6" enabled="false" MACAddress="08002700A135" cable="true" speed="0" type="82540EM">
                    <DisabledModes>
                      <NAT>
                        <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                        <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                      </NAT>
                    </DisabledModes>
                  </Adapter>
                  <Adapter slot="7" enabled="false" MACAddress="080027C42917" cable="true" speed="0" type="82540EM">
                    <DisabledModes>
                      <NAT>
                        <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                        <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                      </NAT>
                    </DisabledModes>
                  </Adapter>
                </Network>
                <UART>
                  <Port slot="0" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
                  <Port slot="1" enabled="false" IOBase="0x2f8" IRQ="3" hostMode="Disconnected"/>
                </UART>
                <LPT>
                  <Port slot="0" enabled="false" IOBase="0x378" IRQ="4"/>
                  <Port slot="1" enabled="false" IOBase="0x378" IRQ="4"/>
                </LPT>
                <AudioAdapter controller="HDA" driver="DirectSound" enabled="true"/>
                <RTC localOrUTC="local"/>
                <SharedFolders/>
                <Clipboard mode="Bidirectional"/>
                <IO>
                  <IoCache enabled="true" size="5"/>
                  <BandwidthGroups/>
                </IO>
                <HostPci>
                  <Devices/>
                </HostPci>
                <Guest memoryBalloonSize="0"/>
                <GuestProperties>
                  <GuestProperty name="/VirtualBox/HostInfo/GUI/LanguageID" value="en_US" timestamp="1338983464149877200" flags=""/>
                </GuestProperties>
              </Hardware>
              <StorageControllers>
                <StorageController name="IDE Controller" type="PIIX4" PortCount="2" useHostIOCache="true" Bootable="true">
                  <AttachedDevice passthrough="false" type="DVD" port="1" device="0">
                    <Image uuid="{72282bb8-87d0-43e9-9dce-38b827e78e16}"/>
                  </AttachedDevice>
                </StorageController>
                <StorageController name="SATA Controller" type="AHCI" PortCount="1" useHostIOCache="false" Bootable="true" IDE0MasterEmulationPort="0" IDE0SlaveEmulationPort="1" IDE1MasterEmulationPort="2" IDE1SlaveEmulationPort="3">
                  <AttachedDevice type="HardDisk" port="0" device="0">
                    <Image uuid="{80f8695e-49a9-4020-aa16-663c00492ad7}"/>
                  </AttachedDevice>
                </StorageController>
              </StorageControllers>
              <Snapshots>
                <Snapshot uuid="{527251e3-6875-4e3d-926d-52bbde9ec12a}" name="Snapshot 3" timeStamp="2012-06-11T14:13:33Z" stateFile="Snapshots/2012-06-11T14-13-33-879666000Z.sav">
                  <Hardware version="2">
                    <CPU count="1" hotplug="false">
                      <HardwareVirtEx enabled="true" exclusive="false"/>
                      <HardwareVirtExNestedPaging enabled="true"/>
                      <HardwareVirtExVPID enabled="true"/>
                      <PAE enabled="false"/>
                      <HardwareVirtExLargePages enabled="true"/>
                      <HardwareVirtForce enabled="false"/>
                    </CPU>
                    <Memory RAMSize="512" PageFusion="false"/>
                    <HID Pointing="USBTablet" Keyboard="PS2Keyboard"/>
                    <HPET enabled="false"/>
                    <Chipset type="PIIX3"/>
                    <Boot>
                      <Order position="1" device="Floppy"/>
                      <Order position="2" device="DVD"/>
                      <Order position="3" device="HardDisk"/>
                      <Order position="4" device="None"/>
                    </Boot>
                    <Display VRAMSize="18" monitorCount="1" accelerate3D="false" accelerate2DVideo="false"/>
                    <RemoteDisplay enabled="false" authType="Null" authTimeout="5000"/>
                    <BIOS>
                      <ACPI enabled="true"/>
                      <IOAPIC enabled="false"/>
                      <Logo fadeIn="true" fadeOut="true" displayTime="0"/>
                      <BootMenu mode="MessageAndMenu"/>
                      <TimeOffset value="0"/>
                      <PXEDebug enabled="false"/>
                    </BIOS>
                    <USBController enabled="true" enabledEhci="false"/>
                    <Network>
                      <Adapter slot="0" enabled="true" MACAddress="080027B4538D" cable="true" speed="0" type="82540EM">
                        <DisabledModes>
                          <NAT>
                            <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                            <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                          </NAT>
                        </DisabledModes>
                        <InternalNetwork name="intnet"/>
                      </Adapter>
                      <Adapter slot="1" enabled="false" MACAddress="0800279CBADE" cable="true" speed="0" type="82540EM">
                        <DisabledModes>
                          <NAT>
                            <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                            <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                          </NAT>
                        </DisabledModes>
                      </Adapter>
                      <Adapter slot="2" enabled="false" MACAddress="08002773504F" cable="true" speed="0" type="82540EM">
                        <DisabledModes>
                          <NAT>
                            <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                            <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                          </NAT>
                        </DisabledModes>
                      </Adapter>
                      <Adapter slot="3" enabled="false" MACAddress="0800273DD42F" cable="true" speed="0" type="82540EM">
                        <DisabledModes>
                          <NAT>
                            <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                            <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                          </NAT>
                        </DisabledModes>
                      </Adapter>
                      <Adapter slot="4" enabled="false" MACAddress="080027A2DDB0" cable="true" speed="0" type="82540EM">
                        <DisabledModes>
                          <NAT>
                            <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                            <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                          </NAT>
                        </DisabledModes>
                      </Adapter>
                      <Adapter slot="5" enabled="false" MACAddress="0800270487A6" cable="true" speed="0" type="82540EM">
                        <DisabledModes>
Mick3001
Posts: 5
Joined: 13. Jun 2012, 13:14

Re: Help! Inaccessible VM.

Post by Mick3001 »

Code: Select all

<NAT>
                            <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                            <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                          </NAT>
                        </DisabledModes>
                      </Adapter>
                      <Adapter slot="6" enabled="false" MACAddress="08002700A135" cable="true" speed="0" type="82540EM">
                        <DisabledModes>
                          <NAT>
                            <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                            <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                          </NAT>
                        </DisabledModes>
                      </Adapter>
                      <Adapter slot="7" enabled="false" MACAddress="080027C42917" cable="true" speed="0" type="82540EM">
                        <DisabledModes>
                          <NAT>
                            <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                            <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                          </NAT>
                        </DisabledModes>
                      </Adapter>
                    </Network>
                    <UART>
                      <Port slot="0" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
                      <Port slot="1" enabled="false" IOBase="0x2f8" IRQ="3" hostMode="Disconnected"/>
                    </UART>
                    <LPT>
                      <Port slot="0" enabled="false" IOBase="0x378" IRQ="4"/>
                      <Port slot="1" enabled="false" IOBase="0x378" IRQ="4"/>
                    </LPT>
                    <AudioAdapter controller="HDA" driver="DirectSound" enabled="true"/>
                    <RTC localOrUTC="local"/>
                    <SharedFolders/>
                    <Clipboard mode="Bidirectional"/>
                    <IO>
                      <IoCache enabled="true" size="5"/>
                      <BandwidthGroups/>
                    </IO>
                    <HostPci>
                      <Devices/>
                    </HostPci>
                    <Guest memoryBalloonSize="0"/>
                    <GuestProperties>
                      <GuestProperty name="/VirtualBox/HostInfo/GUI/LanguageID" value="en_US" timestamp="1338983464149877200" flags=""/>
                    </GuestProperties>
                  </Hardware>
                  <StorageControllers>
                    <StorageController name="IDE Controller" type="PIIX4" PortCount="2" useHostIOCache="true" Bootable="true">
                      <AttachedDevice passthrough="false" type="DVD" port="1" device="0">
                        <Image uuid="{72282bb8-87d0-43e9-9dce-38b827e78e16}"/>
                      </AttachedDevice>
                    </StorageController>
                    <StorageController name="SATA Controller" type="AHCI" PortCount="1" useHostIOCache="false" Bootable="true" IDE0MasterEmulationPort="0" IDE0SlaveEmulationPort="1" IDE1MasterEmulationPort="2" IDE1SlaveEmulationPort="3">
                      <AttachedDevice type="HardDisk" port="0" device="0">
                        <Image uuid="{b3039087-9fc8-4626-9aa3-daea09e2d9e2}"/>
                      </AttachedDevice>
                    </StorageController>
                  </StorageControllers>
                  <Snapshots>
                    <Snapshot uuid="{6fd9c613-45cf-4e07-a0b5-800ab05c6ad4}" name="Snapshot 4" timeStamp="2012-06-12T17:42:22Z" stateFile="Snapshots/2012-06-12T17-42-22-506240100Z.sav">
                      <Hardware version="2">
                        <CPU count="1" hotplug="false">
                          <HardwareVirtEx enabled="true" exclusive="false"/>
                          <HardwareVirtExNestedPaging enabled="true"/>
                          <HardwareVirtExVPID enabled="true"/>
                          <PAE enabled="false"/>
                          <HardwareVirtExLargePages enabled="true"/>
                          <HardwareVirtForce enabled="false"/>
                        </CPU>
                        <Memory RAMSize="512" PageFusion="false"/>
                        <HID Pointing="USBTablet" Keyboard="PS2Keyboard"/>
                        <HPET enabled="false"/>
                        <Chipset type="PIIX3"/>
                        <Boot>
                          <Order position="1" device="Floppy"/>
                          <Order position="2" device="DVD"/>
                          <Order position="3" device="HardDisk"/>
                          <Order position="4" device="None"/>
                        </Boot>
                        <Display VRAMSize="18" monitorCount="1" accelerate3D="false" accelerate2DVideo="false"/>
                        <RemoteDisplay enabled="false" authType="Null" authTimeout="5000"/>
                        <BIOS>
                          <ACPI enabled="true"/>
                          <IOAPIC enabled="false"/>
                          <Logo fadeIn="true" fadeOut="true" displayTime="0"/>
                          <BootMenu mode="MessageAndMenu"/>
                          <TimeOffset value="0"/>
                          <PXEDebug enabled="false"/>
                        </BIOS>
                        <USBController enabled="true" enabledEhci="false"/>
                        <Network>
                          <Adapter slot="0" enabled="true" MACAddress="080027B4538D" cable="true" speed="0" type="82540EM">
                            <DisabledModes>
                              <NAT>
                                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                              </NAT>
                            </DisabledModes>
                            <InternalNetwork name="intnet"/>
                          </Adapter>
                          <Adapter slot="1" enabled="false" MACAddress="0800279CBADE" cable="true" speed="0" type="82540EM">
                            <DisabledModes>
                              <NAT>
                                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                              </NAT>
                            </DisabledModes>
                          </Adapter>
                          <Adapter slot="2" enabled="false" MACAddress="08002773504F" cable="true" speed="0" type="82540EM">
                            <DisabledModes>
                              <NAT>
                                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                              </NAT>
                            </DisabledModes>
                          </Adapter>
                          <Adapter slot="3" enabled="false" MACAddress="0800273DD42F" cable="true" speed="0" type="82540EM">
                            <DisabledModes>
                              <NAT>
                                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                              </NAT>
                            </DisabledModes>
                          </Adapter>
                          <Adapter slot="4" enabled="false" MACAddress="080027A2DDB0" cable="true" speed="0" type="82540EM">
                            <DisabledModes>
                              <NAT>
                                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                              </NAT>
                            </DisabledModes>
                          </Adapter>
                          <Adapter slot="5" enabled="false" MACAddress="0800270487A6" cable="true" speed="0" type="82540EM">
                            <DisabledModes>
                              <NAT>
                                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                              </NAT>
                            </DisabledModes>
                          </Adapter>
                          <Adapter slot="6" enabled="false" MACAddress="08002700A135" cable="true" speed="0" type="82540EM">
                            <DisabledModes>
                              <NAT>
                                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                              </NAT>
                            </DisabledModes>
                          </Adapter>
                          <Adapter slot="7" enabled="false" MACAddress="080027C42917" cable="true" speed="0" type="82540EM">
                            <DisabledModes>
                              <NAT>
                                <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
                                <Alias logging="false" proxy-only="false" use-same-ports="false"/>
                              </NAT>
                            </DisabledModes>
                          </Adapter>
                        </Network>
                        <UART>
                          <Port slot="0" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
                          <Port slot="1" enabled="false" IOBase="0x2f8" IRQ="3" hostMode="Disconnected"/>
                        </UART>
                        <LPT>
                          <Port slot="0" enabled="false" IOBase="0x378" IRQ="4"/>
                          <Port slot="1" enabled="false" IOBase="0x378" IRQ="4"/>
                        </LPT>
                        <AudioAdapter controller="HDA" driver="DirectSound" enabled="true"/>
                        <RTC localOrUTC="local"/>
                        <SharedFolders/>
                        <Clipboard mode="Bidirectional"/>
                        <IO>
                          <IoCache enabled="true" size="5"/>
                          <BandwidthGroups/>
                        </IO>
                        <HostPci>
                          <Devices/>
                        </HostPci>
                        <Guest memoryBalloonSize="0"/>
                        <GuestProperties>
                          <GuestProperty name="/VirtualBox/HostInfo/GUI/LanguageID" value="en_US" timestamp="1339493073300806900" flags=""/>
                        </GuestProperties>
                      </Hardware>
                      <StorageControllers>
                        <StorageController name="IDE Controller" type="PIIX4" PortCount="2" useHostIOCache="true" Bootable="true">
                          <AttachedDevice passthrough="false" type="DVD" port="1" device="0">
                            <Image uuid="{72282bb8-87d0-43e9-9dce-38b827e78e16}"/>
                          </AttachedDevice>
                        </StorageController>
                        <StorageController name="SATA Controller" type="AHCI" PortCount="1" useHostIOCache="false" Bootable="true" IDE0MasterEmulationPort="0" IDE0SlaveEmulationPort="1" IDE1MasterEmulationPort="2" IDE1SlaveEmulationPort="3">
                          <AttachedDevice type="HardDisk" port="0" device="0">
                            <Image uuid="{dcdb2410-4e30-4afa-a5c1-64793dd67b32}"/>
                          </AttachedDevice>
                        </StorageController>
                      </StorageControllers>
                    </Snapshot>
                  </Snapshots>
                </Snapshot>
              </Snapshots>
            </Snapshot>
          </Snapshots>
        </Snapshot>
      </Snapshots>
    </Snapshot>
    <Hardware version="2">
      <CPU count="1" hotplug="false">
        <HardwareVirtEx enabled="true" exclusive="false"/>
        <HardwareVirtExNestedPaging enabled="true"/>
        <HardwareVirtExVPID enabled="true"/>
        <PAE enabled="false"/>
        <HardwareVirtExLargePages enabled="true"/>
        <HardwareVirtForce enabled="false"/>
      </CPU>
      <Memory RAMSize="512" PageFusion="false"/>
      <HID Pointing="USBTablet" Keyboard="PS2Keyboard"/>
      <HPET enabled="false"/>
      <Chipset type="PIIX3"/>
      <Boot>
        <Order position="1" device="Floppy"/>
        <Order position="2" device="DVD"/>
        <Order position="3" device="HardDisk"/>
        <Order position="4" device="None"/>
      </Boot>
      <Display VRAMSize="18" monitorCount="1" accelerate3D="false" accelerate2DVideo="false"/>
      <RemoteDisplay enabled="false" authType="Null" authTimeout="5000"/>
      <BIOS>
        <ACPI enabled="true"/>
        <IOAPIC enabled="false"/>
        <Logo fadeIn="true" fadeOut="true" displayTime="0"/>
        <BootMenu mode="MessageAndMenu"/>
        <TimeOffset value="0"/>
        <PXEDebug enabled="false"/>
      </BIOS>
      <USBController enabled="true" enabledEhci="false"/>
      <Network>
        <Adapter slot="0" enabled="true" MACAddress="080027B4538D" cable="true" speed="0" type="82540EM">
          <DisabledModes>
            <NAT>
              <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
              <Alias logging="false" proxy-only="false" use-same-ports="false"/>
            </NAT>
          </DisabledModes>
          <InternalNetwork name="intnet"/>
        </Adapter>
        <Adapter slot="1" enabled="false" MACAddress="0800279CBADE" cable="true" speed="0" type="82540EM">
          <DisabledModes>
            <NAT>
              <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
              <Alias logging="false" proxy-only="false" use-same-ports="false"/>
            </NAT>
          </DisabledModes>
        </Adapter>
        <Adapter slot="2" enabled="false" MACAddress="08002773504F" cable="true" speed="0" type="82540EM">
          <DisabledModes>
            <NAT>
              <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
              <Alias logging="false" proxy-only="false" use-same-ports="false"/>
            </NAT>
          </DisabledModes>
        </Adapter>
        <Adapter slot="3" enabled="false" MACAddress="0800273DD42F" cable="true" speed="0" type="82540EM">
          <DisabledModes>
            <NAT>
              <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
              <Alias logging="false" proxy-only="false" use-same-ports="false"/>
            </NAT>
          </DisabledModes>
        </Adapter>
        <Adapter slot="4" enabled="false" MACAddress="080027A2DDB0" cable="true" speed="0" type="82540EM">
          <DisabledModes>
            <NAT>
              <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
              <Alias logging="false" proxy-only="false" use-same-ports="false"/>
            </NAT>
          </DisabledModes>
        </Adapter>
        <Adapter slot="5" enabled="false" MACAddress="0800270487A6" cable="true" speed="0" type="82540EM">
          <DisabledModes>
            <NAT>
              <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
              <Alias logging="false" proxy-only="false" use-same-ports="false"/>
            </NAT>
          </DisabledModes>
        </Adapter>
        <Adapter slot="6" enabled="false" MACAddress="08002700A135" cable="true" speed="0" type="82540EM">
          <DisabledModes>
            <NAT>
              <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
              <Alias logging="false" proxy-only="false" use-same-ports="false"/>
            </NAT>
          </DisabledModes>
        </Adapter>
        <Adapter slot="7" enabled="false" MACAddress="080027C42917" cable="true" speed="0" type="82540EM">
          <DisabledModes>
            <NAT>
              <DNS pass-domain="true" use-proxy="false" use-host-resolver="false"/>
              <Alias logging="false" proxy-only="false" use-same-ports="false"/>
            </NAT>
          </DisabledModes>
        </Adapter>
      </Network>
      <UART>
        <Port slot="0" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
        <Port slot="1" enabled="false" IOBase="0x2f8" IRQ="3" hostMode="Disconnected"/>
      </UART>
      <LPT>
        <Port slot="0" enabled="false" IOBase="0x378" IRQ="4"/>
        <Port slot="1" enabled="false" IOBase="0x378" IRQ="4"/>
      </LPT>
      <AudioAdapter controller="HDA" driver="DirectSound" enabled="true"/>
      <RTC localOrUTC="local"/>
      <SharedFolders/>
      <Clipboard mode="Bidirectional"/>
      <IO>
        <IoCache enabled="true" size="5"/>
        <BandwidthGroups/>
      </IO>
      <HostPci>
        <Devices/>
      </HostPci>
      <Guest memoryBalloonSize="0"/>
      <GuestProperties>
        <GuestProperty name="/VirtualBox/HostInfo/GUI/LanguageID" value="en_US" timestamp="1339493073300806900" flags=""/>
      </GuestProperties>
    </Hardware>
    <StorageControllers>
      <StorageController name="IDE Controller" type="PIIX4" PortCount="2" useHostIOCache="true" Bootable="true">
        <AttachedDevice passthrough="false" type="DVD" port="1" device="0">
          <Image uuid="{72282bb8-87d0-43e9-9dce-38b827e78e16}"/>
        </AttachedDevice>
      </StorageController>
      <StorageController name="SATA Controller" type="AHCI" PortCount="1" useHostIOCache="false" Bootable="true" IDE0MasterEmulationPort="0" IDE0SlaveEmulationPort="1" IDE1MasterEmulationPort="2" IDE1SlaveEmulationPort="3">
        <AttachedDevice type="HardDisk" port="0" device="0">
          <Image uuid="{964c062c-e49d-4ead-ac2c-2fb77fedb1a8}"/>
        </AttachedDevice>
      </StorageController>
    </StorageControllers>
  </Machine>
</VirtualBox>
mpack
Site Moderator
Posts: 39156
Joined: 4. Sep 2008, 17:09
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Mostly XP

Re: Help! Inaccessible VM.

Post by mpack »

The error message means pretty much what it says: there are differencing disks depending on the VDI you tried to mount, therefore you can't mount that VDI because it would lead to corruption of the differencing disks.

To avoid this problem in future you should avoid the whimsical use of snapshots and other differencing disk types. As a workaround for now you can try cloning the drive or VM you want to use, and use the clone instead.
Mick3001
Posts: 5
Joined: 13. Jun 2012, 13:14

Re: Help! Inaccessible VM.

Post by Mick3001 »

Thanks for the reply mpack, I agree I had been using snapshots way too much, its only in the last few hours reading up on this problem that I have realised this, well I will know for the future I guess! I will try that solution now thanks for your help!
Mick3001
Posts: 5
Joined: 13. Jun 2012, 13:14

Re: Help! Inaccessible VM.

Post by Mick3001 »

The cloning wont work, it literally wont let me do anything, anybody know of any other potential solutions?
mpack
Site Moderator
Posts: 39156
Joined: 4. Sep 2008, 17:09
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Mostly XP

Re: Help! Inaccessible VM.

Post by mpack »

I'm afraid "won't work" is not very useful diagnostic data.
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