Why is my Windows Media Player unable to connect to the server? Firstly, to fix it check the authentication with Office 365. The lack of access permission for Windows Media Player usually leads to this error. On the other hand, if that doesn’t help, add the SharePoint URL to Internet Explorer’s Trusted Sites or re-register the Wmnetmgr.dll File. Continue below with the detailed step-by-step instructions.

How do I fix Windows Media Player cannot connect to the server error?

1. Check That You’re Authenticated With Office 365

First, check that you’re signed in with Office 365. To do that, users need to sign in with SharePoint Online with Office 365 account credentials. Then select the Keep me signed in option if it’s not already selected. Some users might need to sign out of Office 356 first, select the Keep me signed in setting and then sign in with Office 365 account credentials.

2. Add the SharePoint URL to Explorer’s Trusted Sites

3. Reregister the Wmnetmgr.dll File

Users have also said they’ve fixed the Windows Media Player cannot connect to the server error by registering wmnetmgr.dll file. One of those resolutions might resolve the Windows Media Player cannot connect to the server error so that users can play videos on SharePoint with Windows Media Player. Any IE users who have discovered other fixes for the same WMP server error are welcome to share them below. RELATED ARTICLES TO CHECK OUT: 

FIXED: Windows Media Player encountered an error while playing a file We’re having trouble reaching the server SharePoint error [FULL FIX]

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