[SOLVED] Windows Server 2025 not working with Virtio Disk

Out of curiosity, what made you try the drivers in X:\amd64\2k25? I'm just wondering because most guides (also non-Proxmox ones) seem to use the path recommended by the page you linked to. I quickly looked at both paths and they seem to both include the very same driver, so unless I'm overlooking something, this should not make any difference.
 
Using the path "x:\vioscso\2k25\amd64" results in my case in an empty field of drivers. Using "x:\amd64\2k25\" results in an entry of driver(s) to choose. There should be no difference, but in my case there was this difference. I don't know why, and it was the first time for me. Last install of WS2022 works flawlessly without the folder-confusion...

best regards
 
Are you sure you chose "SCSI" as Bus/Device and not "VirtIO Block" for the hard disk?
The difference between those two directories is, in "x:\amd64\2k25\" you can find the VirtIO Block driver too.
 
LuigiM81 said:
Hello Forummembers,

i have tried to install a Windows Server 2025 using https://pve.proxmox.com/wiki/Windows_2025_guest_best_practices

I ran in an issue - the virtio drivers on Windows don't show a compatible device.

View attachment 81893

After 3 hours of searching, I found the solution: do not use the suggested path from the instruction, rather "x:\amd64\2k25\" and everything works fine!

best regards Mario
Click to expand...
Interesting. I have no issues with this.

VM created with VirtIO SCSI Single, and the drivers was loaded normally on both paths .
I have another issue, regarding unattended installation of WIndows Server 2025 vs. VirtIO SCSI controller (even with drivers loaded). I will search for any other topic related to that, and I will create a new one if did not find anything similar.
 
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