Lync Server 2010 Prerequisite Installation Error

You might get below error message when installing Microsoft Windows Media Format Package in Windows Server 2008 R2.

An error occurred trying to open – C:\Windows\servicing\Packages\Microsoft-Windows-Media-Format-Package~31bf3856ad364e35~amd64~~6.1.7600.16385.mum Error: 0x80070003

Error: 3

The system cannot find the path specified.

The DISM log file can be found at C:\Windows\Logs\DISM\dism.log

The reason for this issue is different version of Windows Media Format in Windows Server 2008 R2. You can find latest file in C:\Windows\Servicing folder.

Microsoft-Windows-Media-Format-Package~31bf3856ad364e35~amd64~~6.1.7601.17514.mum

Run below update command.

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

Prerequisite installation is successful.