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Update Rollup failed with Error “Exchange Update ended prematurely

Today I thought of Updating Rollup in my Test Lab, while I’m updating I have come across an Issue.

“Error : Exchange Update Rollup ended prematurely”


The Setup Wizard for Update Rollup fails with the error “ended prematurely”. It has been the same issue for Update Rollup for both Exchange 2007 and Exchange 2010.


 The installer fails with the information:


Setup Wizard for Update Rollup 7 for Exchange Server 2010 Service Pack 3 (KB2961522) ended prematurely because of an error. Your system has not been modified. To install this program at a later time, please run the installation again.


The screen dump below also shows what error look like:




The reason for the error and why the Update Rollup installer is “ended prematurely” is because the server has User Access Control (UAC) activated on the server. For good reason, it is not recommended to disable the UAC.

The error is also shown in the event log, as Event ID: 1024 and with error code 1603.


Installation Process for this Update Rollup


The recommended process for installing Update Rollups on the server, is using an elevated command prompt (Open a CMD with Run As Administrator) and make sure the Update Rollup is located on a local drive of the server and start the installer using:



example: msiexec /update <UPDATE .MSP FILE>


How to Start Setup Wizard:


msiexec /update Exchange2010-KB2961522-x64-en.msp


How to install the Update Rollup unattended mode (silent) add the following parameter (/quiet):


msiexec /update Exchange2010-KB2961522-x64-en.msp /quiet


Example as elevated command prompt starting the Update Rollup installer:








This will start the Setup Wizard and you can now walk your way through the installer and install the Update Rollup and when it has been installed, you should see the following:





Great…. By this we have Installed Update Rollup Successfully without errors.




MCTS, MCITP | Exchange Server