Lync Server October CU (KB 2809243)


Lync Server October Cumulative Update has been released. To install this update, please go through following steps.

1. Get the Pool Upgrade Readiness Status (For Enterprise Edition Front End Servers)

Run the command get-CsPoolUpgradeReadinessState and verify that all Front End servers returns as “Ready”

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Once the servers are ready, run Stop-CsWindowsService to immediately stop the Lync Server related Windows Services.

Now Download and run the “LyncServerUpdateInstaller.exe”. This can be downloaded from http://www.microsoft.com/en-au/download/details.aspx?id=36820

For Lync Server 2013 Standard Edition Servers

Download and run the “LyncServerUpdateInstaller.exe”. This can be downloaded from http://www.microsoft.com/en-au/download/details.aspx?id=36820

2. Apply the Back End Database update (For Enterprise Edition)

This is the one that most of the system administrators forget to do. If the environment has SQL Server High Availability configured on SQL Mirroring, verify that the Principle is set to Primary SQL Server by running  Invoke-CsDatabaseFailover -NewPrincipal Primary This will set the Principle as the Primary Server

If all databases including Archiving/Monitoring, Persistent Chat, run below command to upgrade the Database

Install-CsDatabase -ConfiguredDatabases -SqlServerFqdn FEBE.FQDN -Verbose

3. Apply the Central Management Store Update (For Lync Server 2010 and 2013 Plaforms)

This step is only require if the Lync Server platform was upgraded to February 2013 Cumulative Update.  Run the below command,

Install-CsDatabase -CentralManagementDatabase -SqlServerFqdn CMS.FQDN -SqlInstanceName DBInstanceName -Verbose

4. Enable Mobility Services (For Lync Server 2010 and 2013 Platforms)

To enable Mobility Services run, Enable-CsTopology command.

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