Log on to WSUS Server using Administrative credential
Open Administrative Tools>Windows Server Update Services>Right Click on update>click on import
Now Microsoft update catalog will be presented to you via IE, Search Windows Media Player on the Catalog. Add Media Player according to your system architecture
Click on view basket>click import and wait for import to be completed
Windows Server Update Services>Right Click on update>click search>Type Windows Media Player>Select all>right click and approve selected to the desired desktop group.
Keywords: WSUS, Windows Media Player 11