Sysprep and WSUS and Cloned VM’s

If you are cloning a VM that will be getting it’s updates from a local WSUS, you need to delete two keys from the registry. WSUS and Windows (online) Update generate there own client ID in the registry. If you update your VM template to keep it current, this client ID will exist.  In fact every clone that you create will have this same ID.  Here is how I work around this…

After I clone my VM and before I run Sysprep.exe I delete the following keys…

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\SusClientId

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