Wednesday, July 24, 2013

VM - SYSPREP Failure!


VM - Sysprep Failure

Sysprep: Fatal error occurred while trying to sysprep the machine

While trying to sysprep a machine this morning I ran into an issue with running sysprep. Below is the process I was going through.
  • I would open a command prompt and run sysprep 
  • I would then run sysprep with OOBE  

Every time I was getting the same error

Sysprep - Fatal error occurred while trying to sysprep the machine


So the first thing I checked was the "Remaining Windows Activation Count" via "slmgr /div". It looks like I have 3 more activations remaining.


The next thing was to check the "GeneralizationState" Registry Entry. If it is not already set to 7, change it to 7.
HKEY_LOCAL_MACHINE\SYSTEM\Setup\Status\SysprepStatus


After changing the "GeneralizationState" DWORD to 7, sysprep is now working!

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