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Installing Lync Server 2013 Cumulative Updates

Installing Cumulative Updates in Standard Edition

Login to server and verify if the server is Ready to Upgrade (This can be done only in Enterprise Edition)

Open Lync Management Shell “RunAsAdministrator”


Run the command

Command: Get-CsPoolUpgradeReadinessState





Yes it’s Ready to Upgrade, follow the below steps to upgrade

In standard edition you can directly proceed with download and Install

Download the latest Cumulative Updates from the below link:


After downloading save that in the folder in my scenario I have created folder “Updates”



Open the Updates folder and go to the latest folder which is highlighted below:



Under the latest Updates folder you will see the “LyncServerUpdateInstaller”



Before you proceed with Install, please check the Lync Services as what are the services in “Running” State and this needs to be stopped using the command



Command :

Stop-CsWindowsService –Graceful

Note: If you are in maintenance window, you can run the above command without the –Graceful parameter.

Now go back to the folder and Double click on the Application “LyncServerUpdateInstaller”

User Account Control will popup -> Click Yes



Window will open “Microsoft Lync Server 2013 Cumulative Installer”.

Click Install Updates




When you click Install this will show you the components that are being installed.






After the Install gets completed this will popup to Reboot the server.

Click Yes



After Reboot completes check if the server patches are up to date.

Check if all the required patches are installed:



Also you can verify this running the below command:

Command: Get-Wmiobject -query ‘select * from win32_product’ | where {$_.name -like “Microsoft Lync Server*”} | ft Name, Version -autoSize




After confirming check the required services that needs to run else, start the services using the below command


Command :




As Best Practice when you plan an upgrade or maintenance for Lync servers in High Availability and in Pool Pairing, then Microsoft’s recommendation is to update one server at a time. Bring one server down, apply the upgrade, and then bring that server back up before upgrading another server.



Praveen Kumar

Publisher @ Techrid.com