Serial value not recognized in guest VM

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maiconjs

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Dec 12, 2023
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I'm trying to manually enter a serial number into a VM because I need to run an application that depends on reading this SMBIOS value on Windows Server 2022, but when I enter this value the OS still shows a blank value when checking via wmic bios get serialnumber

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Am I doing something wrong or is it a bug? How can I fix it?
 
maiconjs said:
I'm trying to manually enter a serial number into a VM because I need to run an application that depends on reading this SMBIOS value on Windows Server 2022, but when I enter this value the OS still shows a blank value when checking via wmic bios get serialnumber

View attachment 59688View attachment 59689

Am I doing something wrong or is it a bug? How can I fix it?
Click to expand...
Did you stop and start the vm after adding the serial?
 
maiconjs said:
Yes, I restarted it but it didn't show.
Click to expand...

It worked first try. But I stopped the vm and started it. So it was down completly, not rebooted. Maybe try again with shutdown + start?

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Last edited:
This time I stopped the machine instead of restarting and it had no effect. Then I restarted all of proxmox, and there was no effect either.
 
Can you post the vm config with qm status <VMID> ?
 
I did as described and went a little further, I saw that there were updates to be made to proxmox and I applied them. I restarted proxmox once again and the guest VM is still not receiving the serial number.
 
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