Sunday, April 1, 2012

The Lync Server 2010 Setup or Remove Component installation fails on the prerequisite check for the Media-Format-Package and returns the following information back to the Setup Lync Server components page:

Name of prerequisite: Wmf2008R2 MM/DD/YYYY HH:MM:SS AM
Name of prerequisite: Wmf2008R2 MM/DD/YYYY HH:MM:SS AM
Type of prerequisite: exe MM/DD/YYYY HH:MM:SS AM
Method used to check prerequisite state: WmfNeeded2008R2() MM/DD/YYYY HH:MM:SS AM
Result of state check: True MM/DD/YYYY HH:MM:SS AM
Executing external command: C:\Windows\system32\dism.exe /online /norestart /add-package
/packagepath:C:\Windows\servicing\Packages\Microsoft-Windows-Media-Format-
Package~31bf3856ad364e35~amd64~~6.1.7600.16385.mum /ignorecheck MM/DD/YYYY HH:MM:SS AM
Installation result: -2146762496 MM/DD/YYYY HH:MM:SS AM
Error: Prerequisite installation failed: Wmf2008R2
Details
Type: PrereqInstallFailed
Stack Trace
at Microsoft.Rtc.Internal.Tools.Bootstrapper.BootstrapperTask.AddMsiPrereq(String prereqName)
at Microsoft.Rtc.Management.Internal.Utilities.LogWriter.InvokeAndLog[T](Action`1 action, T arg)
Type of prerequisite: exe MM/DD/YYYY HH:MM:SS AM
Method used to check prerequisite state: WmfNeeded2008R2() MM/DD/YYYY HH:MM:SS AM
Result of state check: True MM/DD/YYYY HH:MM:SS AM
Executing external command: C:\Windows\system32\dism.exe /online /norestart /add-package
/packagepath:C:\Windows\servicing\Packages\Microsoft-Windows-Media-Format-
Package~31bf3856ad364e35~amd64~~6.1.7600.16385.mum /ignorecheck MM/DD/YYYY HH:MM:SS AM
Installation result: -2146762496 MM/DD/YYYY HH:MM:SS AM
Error: Prerequisite installation failed: Wmf2008R2
Details
Type: PrereqInstallFailed
Stack Trace
at Microsoft.Rtc.Internal.Tools.Bootstrapper.BootstrapperTask.AddMsiPrereq(String prereqName)
at Microsoft.Rtc.Management.Internal.Utilities.LogWriter.InvokeAndLog[T](Action`1 action, T arg)
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CAUSE
The Lync Server 2010 Setup or Remove Component installation prerequisite check cannot locate the Server 2008 R2 SP1 version of Microsoft Windows Media Format.
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RESOLUTION
To resolve this problem, install Windows Desktop Experience. To do this, follow these steps:

Click Start, click Administrative Tools, and then double-click Server Manager
In Server Manager, click Add Features under Features Summary
In the Add Features Wizard dialog box, make sure that the Desktop Experience option is selected
Click Next, and then click Install
After the installation process is complete, click Close, and then close Server Manager

Note After you install Windows Desktop Experience, you must restart the computer

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