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Problems with red X on mapped share point librarys

Posted on 2015-01-22
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Last Modified: 2015-02-13
Hello,
An ongoing issue with a customer of mine is that they have share point online. However due to sync problems with the one drive for business we went with drive mappings to libraries.

The drives are mapped with the unc path method and work ok when they are working. But every so often and randomly they will get a red x on the drives and have to logon to sharepoint online and open the library and then open in explorer. This restores the connection. But this can happen a few times a day. Even though they have told IE to keep them logged in to the portal. Then it can be a week before it happens again.

Webclient service is in automatic and started. The SharePoint url is in the trusted sites in IE. Keep me signed in is ticked on the portal.
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Question by:ggntt
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Vasil Michev (MVP) earned 500 total points
ID: 40565023
This is due to token expiration, even when you select the "keep me signed in" button, the cookie/token will last for maximum 5 days. To avoid issues with the mapped drives, make sure the users login periodically to SPO to renew the token. If you have AD FS in place, an easy way to ensure this is to a smart link as explained here: http://samhandle.no/2014/06/24/sharepoint-online-with-webdav-and-sso/

If you dont have AD FS, just add SPO as a start page in the browser and explain to the users that they need to login periodically.

Here's the general troubleshooting guide just in case: http://support.microsoft.com/kb/2616712
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by:ggntt
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Thanks
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