Problem 1When you try to stream audio or video from Microsoft Windows Media Services, you may receive an error message that resembles the following in Microsoft Windows Media Player:
Problem 2When you click the Network tab of the Windows Media Player Options menu, nothing happens.
Problem 3On the Windows Media Player Network tab, the "Streaming proxy settings" protocol listing is empty.
- The Wmnetmgr.dll file is unregistered.
Note The Wmnetmgr.dll file is located in the C:\Windows\System32 folder.
- The Wmsdkns.xml file is corrupted.
Note The file is Windows Media Player's network namespace file.
The Wmsdkns.xml file has incorrect permissions.
Method 1Register the Wmnetmgr.dll file by using an account that is in the Administrators group. At a command prompt, run the following command.
Method 2Make sure that the user account that is using Windows Media Player has Modify permissions for the Wmsdkns.xml file.
Note In Windows Vista, the file is located in the C:\Users\Userame\AppData\Local\Microsoft\Windows Media\11.0 folder. In Windows XP, the file is located in the C:\Documents and Settings\UserName\Local Settings\Application Data\Microsoft\Windows Media\11.0 folder.
Method 3Delete the Wmsdkns.xml file. After you delete it, Windows Media Player will re-create the Wmsdkns.xml file.
Steps to reproduce the problem
- Unregister the Wmnetmgr.dll file by using an account that is in the Administrators group. At the command prompt, run the following command.
regsvr32 /u wmnetmgr.dll
- Make sure that the user account that is using Windows Media Player has Deny permissions for the Wmsdkns.xml file.
Article ID: 940029 - Last Review: Feb 18, 2008 - Revision: 1