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TF31002: Unable to connect to this Team Foundation Server {0}. Team Foundation Server URL: {1}.

Updated: August 2010

This error message appears when Team Explorer cannot connect to Visual Studio Team System Team Foundation Server and no error message was returned by a specific component in Team Foundation Server. As a first step, you should determine whether this error condition is specific to one computer or if other computers display the same message. You should also perform a basic connectivity check of services for Team Foundation Server, as To verify basic connectivity to services describes later in this topic. If the problem occurs on more than one computer, you should contact the administrator for Team Foundation Server to confirm whether the server is operational and available on the network.

When the error occurs on only one computer

You may be able to resolve the error by reviewing and addressing the following likely causes:

  • You might have incorrectly specified a server name, port number, or protocol (http/https). First, you should verify whether you typed the entries correctly. You should then verify whether the name of the application-tier server has changed. If the name has changed, you must create a connection that uses the new name. For more information, see How to: Connect to Team Foundation Server.

  • Your user account password might have expired, or you might have typed it incorrectly.

  • Your computer might not be connected to the network. You should confirm whether your computer is plugged into the network and can access network resources.

  • You might be using a pre-release version of Team Explorer, which you must update to the final-release version. For more information, see Troubleshooting Team Foundation Version Compatibility.

  • A firewall on your computer might be blocking services for Team Foundation Server. You should check the firewall settings on your computer.

  • Your computer might be configured to bypass a proxy server. You should verify the configuration of the BypassProxyOnLocal setting on your computer. For more information, see How to: Change the BypassProxyOnLocal Configuration.

When the error occurs on more than one computer

As an administrator, you should check the event logs for the application-tier server to try to pinpoint the problem. Also, you can use the following table to determine whether the server is misconfigured. In the table, problems that are more likely to occur appear first. Therefore, you should try the resolutions in the order in which they appear so that you increase the chance that you can solve the problem quickly.

Problem

Resolution

The TFSService account password has expired or was typed incorrectly.

Many services for Team Foundation Server will stop running if the service account for Team Foundation expires. For more information, see How to: Change the Service Account or Password for Team Foundation Server.

The application-tier server for Team Foundation is unavailable.

If you suspect that a required service is not running, you should first make sure that the most recent service pack for Team Foundation Server has been installed. Then you should verify whether each required service is running. If a required service is not running, you must restart it. If necessary, you should set it to start automatically. For more information, see How to: Restart a Service and Set it to Start Automatically.

The network is unavailable.

You should verify whether your network is operational.

The website for Team Foundation Server has been extended through SharePoint Products and Technologies.

If the website for Team Foundation Server has been extended, you must unextend it. For information about how to verify and correct this condition, see How to: Determine Whether the Web Site for Team Foundation Server Has Been Extended and How to: Unextend the Team Foundation Server Web Site.

A website identity for Team Foundation is configured incorrectly.

You should verify or correct the server binding assignments that are made to websites for Team Foundation. For more information, see How to: Verify or Correct Server Binding Assignments.

Access to a website for Team Foundation has been restricted.

You should verify or correct restrictions that are made to those websites that are based on IP addresses and domain names. For more information, see How to: Verify or Correct IP Address and Domain Name Restrictions.

The firewall or ports are configured incorrectly.

Verify or correct port binding assignments for websites and port assignments for the firewall. For more information, see How to: Verify or Correct Port Assignments.

Trust relationships between domains are not configured correctly.

When a group of users cannot access Team Foundation Server, you might have trust issues between domains. For more information, see Trusts and Forests Considerations for Team Foundation Server.

If the previous resolutions do not solve the problem, check the forum for administering Team Foundation Server. For more information, see the following page on the Microsoft website: MSDN Forums - Visual Studio Team System – Team Foundation Server - Administration.

To verify basic connectivity to services

  • Open a browser, and type the following address:

    http://ServerName:8080/services/v1.0/serverstatus.asmx

    If a description of the web service for Team Foundation Server Status does not appear, contact your administrator for Team Foundation.

Date

History

Reason

August 2010

Added information and links to topics about troubleshooting.

Customer feedback.

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