I am trying to upgrade our AGPM server to 4.0.2 from 4.0 and running into the following error "wizard ended prematurely because of an error" I checked the log file and I see the follow errors. Not sure how to fix, I verified the AGPMService Account is Domain Admin and it has permissions to Temp folder and access to archive folder...
2014-01-02 17:44:07.963 [pid=0x1a74,tid=0xee4] DsWriteAccountSpn() failed. [ hr = 0x8007202b "A referral was returned from the server." ]
2014-01-02 17:44:07.963 [pid=0x1a74,tid=0xee4] Leaving MsiWriteAccountSpn(). [ hr = 0x8007202b "A referral was returned from the server." ]