Installing Lync 2013 CU1

Microsoft has recently announced the availability of Cumulative Update 1 (CU1) for Lync Server 2013 which can be found here: I have never installed a CU update on Lync before, so I was curious to see how this works.

CU1 contains of 9 different fixes that need to be deployed, depending on the server roles that are installed on the various boxes. There’s a nice little update installer you can use to make life easier.

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Upgrade to Exchange 2010 SP3 fails with CSCRIPT error

Recently I was upgrading my Exchange 2010 SP2 combined CASHUB servers (four servers in a load balanced array) to SP3. Two servers went fine, but two servers failed with a CSCRIPT error:

Setup cannot continue with the upgrade because the ‘cscript’ () process (ID: 5652) has open files. Close the process and restart Setup.


When looking with task manager several script processes were indeed running. It turned out to be the System Center Management client that was performing all kinds of activities.

Stop the System Center Management agent (via the Services MMC Snap-in) and the upgrade runs fine.