Microsoft Windows Lync Server 2010 Installation – PrereqInstallFailed (Wmf2008R2)

PrereqInstallFailed (Wmf2008R2) in Windows Lync Server 2010 Installation.

This error occurs while the installer runs the following 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

And the ERROR is:

 

 

 

 

Resolution: Run the following command in the command prompt in the windows server prior running the Lync installation. Requires a System Reboot.

http://support.microsoft.com/kb/2522454

 

%systemroot%\system32\dism.exe /online /add-package /packagepath:%windir%\servicing\Packages\Microsoft-Windows-Media-Format-Package~31bf3856ad364e35~amd64~~6.1.7601.17514.mum /ignorecheck