Using Windows 2008 R2. On our server we get this error: \"Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowe
It may be that the Windows Credential Manager is holding onto credentials for the network share.
Load up Credential Manager (the easiest way is perhaps just to Search for that in the Start Menu), see if there are any Windows Credentials for your network share, and try deleting/updating them.