Update Lync Server Pool with Cumulative Update 4

Download Package
Update Front End
Update Lync Client
Group Policy to Update Client Lync

Download Package

Download all the update packages for the Lync Server.

http://www.microsoft.com/download/en/details.aspx?id=11551

Download the updates for Lync Client.

Download Package x86.

Download X64 package.

Update Front End

Stop the World Wide Web Publishing Service net stop w3svc

Then stop all services Lync Server server. Run the Lync Server Management Shell cmdlet: Stop-CsWindowsService

Copy the files to the Front End , and run the package LyncServerUpdateInstaller.exe

Select Install Updates .

The wizard updates the server roles installed on the server

And finalize the upgrade wizard

Rerun the cmdlet Stop-CsWindowsService:

Stop-CsWindowsService

And start the service World Wide Web Publishing Service

net start w3svc

Updates to the Back End must be installed separately. After finishing the wizard run the cmdlet Lync Server Management Shell . CsDatabase-Install-Update-ConfiguredDatabases-SqlServerFqdn <FQDN server Back-End> UseDefaultSqlPaths

The cmdlet updates instances of SQL Server on the server

With the updates installed start the services Lync Server, return to Lync Server Management Shell and run the cmdlet Start-CsWindowsService

Start-CsWindowsService

Follow the steps to upgrade the other servers in your pool to keep the whole structure updated.

Update Lync Client

Run the package. Msp regarding the version of Lync Client. In this case all clients are running the 64 bit

Run the client update

Check the client version has been updated to 4.0.7577.4051

Lync Client versions provided by Microsoft are:

Version	Build Number	Date	Knowledge Base
Summer Assessment	4.0.7577.0	14/11/2010
Cumulative Update: January 2011	4.0.7577.108	14/01/2011	KB2467763 -http://support.microsoft.com/kb/2467763
Cumulative Update: April 2011	4.0.7577.253	31/03/2011	KB2496325 -http://support.microsoft.com/kb/2496325
Cumulative Update: April 2011	4.0.7577.275	22/04/2011	KB2540951 -http://support.microsoft.com/kb/2540951
Cumulative Update: May 2011	4.0.7577.280	18/05/2011	KB2551268 -http://support.microsoft.com/kb/2551268
Cumulative Update: July 2011	4.0.7577.314	21/07/2011	KB2571543 -http://support.microsoft.com/kb/2571543
Cumulative Update: November 2011	4.0.7577.4051	15/11/2011	KB2514982 -http://support.microsoft.com/kb/2514982

Group Policy to Update Client Lync

Copy the update files to a shared folder, the folder's NTFS permissions add the Domain Computers group with the right reading.

Create a script file with the 64-bit client update. The script should contain the command line: msiexec / update \ \ HM01 \ fs \ Lync_x64.msp / quiet

Create a GPO Update Lync Client , expand the Properties Computer Configuration, Policies, Windows Settings and select Scripts . Open the properties of the script Startup