I am trying to install Update Rollup 6 for Exchange 2010 SP1. I have tried the update using both WSUS and manually using the .msp file. Each time the install fails. Both methods log the following errror in the application event log:-
Product: Microsoft Exchange Server - Update 'Update Rollup 6 for Exchange Server 2010 Service Pack 1 (KB2608646) 14.1.355.2' could not be installed. Error code 1603.
The manual .msp install appears to fail at the point that of stopping the exchange services and gives me the usual "Setup Wizard ended prematurely" message.
So far I have tried rebooting the server before running the update and manually stopping the Exchange services before running the update and YES I am running the update install with elevated privilleges.
We have two Exchange 2010 servers, one running the CAS and Transport roles, the other running the MB server and it is the MB server that I am having problems with.
I did have to cancel the orginal KB2608646 update as it started running on the MB server during the day due to misconfigured WSUS settings. The cancelled update appeared to get allot further as it has stopped the exchange services before I was able to cancel it. This makes me suspect that the rollback didnt cleanup correctly and has left something kicking about.
The exchangesetup and windowsupdate log files are proving less than helpful, I have attched them anyway.` LogFiles.zip