Two vm's with same configuration one runs fine the 2nd very slow

[isalsberg]

Hello,

I have two VM's with guest OS X and only one VM disk.
If I attach the disk to the first VM, it works just fine, however, when I attach the very same disk to the second VM is so sluggish that becomes unusable.

I already compared the .vbox configuration files in both VM's and the only differences are the name, ID's. position values, MACAddress and time stamps, so I think there must be some internal value not shown in the .vbox file.

I also tried comparing both VM's configurations using the command line:
C:\Program Files\Oracle\VirtualBox>vboxmanage showvminfo "VM OK"
vs
C:\Program Files\Oracle\VirtualBox>vboxmanage showvminfo "VM Wrong"
And there are NO significant differences between both.


Is there a way to identify what makes to run the first VM fine and the second so slow?

[scottgus1]

so I think there must be some internal value not shown in the .vbox file.

The only other place Virtualbox stores things is in its main Virtualbox.xml, usually found in C:\Users\[accountname}\.Virtualbox (note the period in the folder name).

there are NO significant differences between both.

A killing difference can look very insignificant.

However, a Mac guest is only allowed if the physical computer is real Apple hardware.
OSX guests on non-Apple hardware

If you are using an Apple computer, please start a new topic in the Mac Guests forum, with a zipped guest vbox.log, posted using the forum's Upload Attachment tab.

[mpack]

A killing difference can look very insignificant.

Or a killing similarity, such as matching MAC addresses.