Change VM Serial number not working (Windows 11)

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FelixP4

Bit poster
I followed the following guide to change the system serial number of my Parallels Windows 11 install (on Macbook M1).
https://kb.parallels.com/123455
Unfortunately it still returns the original serial (Parallels-6A CF DF etc)
I tried both option, edition the configuration file and adding the boot flag. Is that guide still applicable for Windows 11 or do I need to do something else?

Thanks
 
Hello FelixP4, Please follow the steps mentioned below.
1. macOS\OS X virtual machine. Open Terminal on macOS\OS X virtual machine > execute the command: ioreg -l | grep IOPlatformSerialNumber.
2. Windows virtual machine. Open Command Prompt on Windows virtual machine > execute the command: wmic bios get the serial number. Thanks.
 
Hi, thanks for your reply.
I've run these commands before, still they return the same result.
On macOS ioreg -l | grep IOPlatformSerialNumber returns "IOPlatformSerialNumber" = "K7PQXXXXXX" (The same as in System Information)
On Windows I run wmic bios get serialnumber wich returns Parallels-6A CF XX XX XX XX XX XX XX XX XX XX XX XX X XX (wmic bios get the serial number doesn't work)

I've changed <SerialNumber></SerialNumber> to <SerialNumber>K7PQXXXXXX</SerialNumber> in config.pvs and I have changed the boot flag to devices.smbios.serial="K7PQXXXXXX" (I also tried without quotationmarks).

Unfortunately I see no changes when I execute the command after booting windows again.
 
Nevermind. I just realised I am running Parallels Standard Edition, this function I only available on Pro or Business edition :(
 
Dear all. I am trying to do this. I am in the 14 day trial of version 17 and using a Mac OS Guest. According to the support document it should be possible.

However the config is greyed out. How do you add the config file or the boot flag?
 
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