SQL Server Scheduled Job 'Past Day stats rollupVIM_UMDB' (0x2838E6A98D1EBE4CB211E1768836BA68) - Status: Failed - Invoked on: 2011-08-14 17:00:00 - Message: The job failed. Unable to determine if the owner (DOM\dom.acct) of job Past Day stats rollupVIM_UMDB has server access (reason: Could not obtain information about Windows NT group/user 'DOM\dom.acct', error code 0x5. [SQLSTATE 42000] (Error 15404)).
All other vCenter operations seemed to fine, but these jobs were failing and logging every 5-10 minutes.
Turns out the solution is documented in KB15404
The fix is to change the owner of these jobs from the domain account to SA: