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Network is unreachable

PostPosted: 6. Mar 2021, 21:57
by Fred501
I have a Linux Guest on a WIndows 7 computer (Host) that someone else set up. Everything was fine until yesterday when I started the computer and started a guest session (from boot, not restarted) and now they can't connect (I get "Connection failed, Activation of network connection failed", "connect: Network is unreachable" and other errors saying the connection is down). I can't ask the guy who set it up to take a look so I'm asking here. Where should I start looking? I'm not sure what if anything changed from earlier in the week when everything was fine.

I can use the shared folder without any issues.

Under settings I see 2 networks:

Re: Network is unreachable

PostPosted: 7. Mar 2021, 11:17
by mpack
Check that "VirtualBox Host-Only Network" virtual network card is installed and enabled in the host networking panel.

If you have any further questions then a VM log will be required. Make sure the VM is fully shut down, then right click it in the manager UI. Select "Show Log" and save "VBox.log" (no other file) to a zip file. Attach the zip here.

Re: Network is unreachable

PostPosted: 7. Mar 2021, 23:48
by Fred501
The Host Network Manager shows Only Ethernet Adapter, not Only Network. I tried to change it using the command shown below, but it doesn't change anything. I did check and misspelling the vmname causes an error.

Re: Network is unreachable

PostPosted: 8. Mar 2021, 11:58
by mpack
By host networking panel I meant the host OS networking panel, not any VirtualBox dialog.

Re: Network is unreachable

PostPosted: 8. Mar 2021, 20:17
by Fred501
I now think this is more of a Windows Host issue. I have enabled the VirtualBox Host-Only Netrwork, but I can't figure out how to connect the PC. The PC is connected to the Network 4 and I can't switch it.

Re: Network is unreachable

PostPosted: 8. Mar 2021, 22:35
by Fred501
Here is the log file.

[Resolved] Network is unreachable

PostPosted: 10. Mar 2021, 01:03
by Fred501
Resolved. I received some other help in fixing the IP addresses.