Can’t connect to Visual Studio Online from any version of in VS: "The underlying connection was closed: An unexpected error occurred on a send."

Interesting one today.   PROBLEMCustomer reported not being able to connect to VSO from any VS version. Kept getting this: The server returned the following error: TF400324: Team Foundation services are not available from server <ACCOUNT>.visualstudio.com\DefaultCollection. Technical information (for administrator):  The underlying connection was closed: An unexpected error occurred on a send. TROUBLESHOOTING The customer…

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You may face problem with TFS connectivity over HTTPS after installing KB 2750149

Following comes to us from Deepak Mittal. Users may see this error in VS: TF31003: Either you have not entered the necessary credentials or your user account does not have permission to connect to the Team Foundation Server at https://servername/tfs Click to Use different credentials link below, or ask your server administrator to add the…

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Troubleshooting Team Foundation Server connection problems with Fiddler

Chris Cooper comes to us today with the story of a TF server, a client, and the Fiddler who saved the day…. –Trev ———————————————————– The other day I had a customer that had the dreaded Red-X on his documents node for one of his Team Projects in Team Explorer. The rest of the Team Projects…

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Before calling TFS support… ideas and information to collect

Often when people call TFS support the first thing we do is have them list off pertinent information about their setup. In my case, that line of questioning takes the form of this template: Before we get started, please gather the following information for me: (1) What exact version of TFS are you using (complete…

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