Error:
When running the Server Publishing Wizard the following error my occur
The provisioningprocess is complete
The distributionof the signingcertificate to the requiredservermay have failed.
Objectreference not set to an instance of an object
Solution:
UAC was enabled on the WSUS Server. Do one of the following.
Add a Computer Credential to the credential ring for the WSUS Server using .\administrator
Disabled UAC on the WSUS Server