Caching could be a problem when a Server craches. Some data might be lost and not weritten down to the disk.
The virtual machine uses disk cache by default, However, you can disable this by using an option in the .vmx file.

I would recommend that you follow the below steps during your VM configuration:

Power off the domain controller virtual machine.

Open the virtual machine configuration file of the VM and add the below parameter

disklib.dataCacheMaxSize=0

This would disable the write caching on the virtual disk.