Why is my Team Foundation Server not connecting?

TF31002: Unable to connect to this Team Foundation Server. Possible reasons: * Invalid Team Foundation Server name, port number, or standard protocol (FALSE: all items are correct) * Team Foundation Server is offline (FALSE: I could access it through my browser globe)

Why is Visual Studio team service unable to connect to this?

With VS2013 I can come across VSTS without any problems, with VS2015 I get the correct connection error: any help on the simplest way to solve these problems would be greatly appreciated. I also need to provide the name of the project when I login, mainly because of the server url part.

When does tf31002 fail to connect in Visual Studio?

When this problem occurs, you will see a blinking blank character several times in the chat window on your site. Then, you will often receive error TF31002 or TF31003 after you join the Connect to Team Foundation Server dialog box or add a new connection. To resolve this issue, apply almost all the latest Visual Studio updates.

The easiest way to resolve Team Foundation Server error tf31002

Table of Contents

Over the past few days, a number of readers have reported the Team Foundation server error tf31002.

Read more about your global error TF31002. Possible causes of this disease: Invalid server name, port number or protocol (http / https). The password must be expired or incorrect. Team Foundation Internet is not available. The network is unavailable. The Team Explorer client is a valid preview and should be updated to the final version.

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Azure DevOps | Azure DevOps Server 2020 Services | Azure DevOps Server 2019 | TFS 2018 – TFS 2013

This error can potentially appear when searching for a connection to Azure DevOps Services or an on-premises Azure DevOps server from Visual Studio.

You Will Receive This Approach Error When You Try To Sign In To Azure DevOps Services

problem	Resolution
You are not purchasing an active account or license.	Check with your administrator if you are the account representative and have a fantastic active and valid license. For more information, see Assigning Permissions to Users .
Your Azure DevOps organization services are connected to someone else’s Azure Active Directory.	If your Azure services developer organization is connected to a great directory that is linked monthly to a large Microsoft 365 or Microsoft Azure, your account is likely only available to members of the directory. Ask your company’s directory administrator to have them all create an organization account for youor added your account to the site as an external member .
You cannot switch between accounts of different organizations.	If you work with multiple organizations that are logged into different directories, such as accounts created in the Microsoft Azure portal, my logout function may not work as expected. For example, you cannot switch between different organizational logon accounts, so you may have multiple accounts that are effectively tied to the directory tenant’s business hours. Then you will either get TF31002 TF31003 and even an error message after logging in, or add a new login using the “Connect to Team Foundation Server” chat window. Please contact us to resolve this issue. Your best bet is to take a look at the latest Visual Studio update . For more information see . You find it difficult to switch between accounts of different organizations here in Visual Studio Online . I want
You can use Visual Studio to sign in to Azure DevOps Services with others Given data.	See Connecting the marketplace to projects, login with excellent credentials .

When Trying To Connect An Efficient On-premises Azure DevOps Server To A Client Machine

If you are determining who seems to be getting this error from one computer and not others, or if someone is not getting this error today, see the troubleshooting instructions below.

problem	Resolution
Your password has expired.	Make sure you entered your username and password correctly and that yours has not expired.
You entered an invalid host URL.	Make sure you entered the correct device URL, including server ID, port number, and protocol (http / https). For more information, see Connecting to Projects .
TFS configuration has changed.	If the configuration of your on-premises Azure DevOps server has changed, you will need to create a new specific connection. You may also need to clear the client cache .
B Your tasks and remote control must connect to a TFS proxy to validate files in Team Foundation form controls.	Configure Visual Studio to connect to the TFS proxy .
You are connecting to the TFS version directly after the Visual Studio client version.	Your version of Visual on Studio or Team Explorer may not be compatible with Team Foundation Server. You may need to install one and / or more DDR packages. See Requirements, not to mention compatibility for more information.
Your firewall is filtering TFS services.	For more information, see Allow a program to communicate through Windows Firewall .
Visual prevents the package from responding when running a court case in Visual Studio.	Your computer can be configured to bypass proxy hardware. Check the configuration of the BypassProxyOnLocal parameter on your computer. For more information see .

Multiple Users Cannot Guarantee That They Are Connecting To An On-premises Azure DevOps Server

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If the problem occurs on multiple computers, contact the administrator to make sure the server is working and accessible on the network.

As an administrator, check the application-level server event logs to find the problem. You will also likely use the following table to determine if the server is configured incorrectly. The most likely problems are listed first in the problem table. Try the solutions in the order in which they usually appear, which increases your chances of solving problems quickly.

problem	Resolution
The security password for the TFSService account has expired or is invalid.	Many Team Foundation Server Experts stop tracking when a Team Foundation service account has expired. For more information, see Changing the Description or Password of a Team Foundation Server Service .
The application-level server for Team Foundation will be unavailable.	Make sure all required services are running. If the required service just doesn’t work, you need to restarttit her. Set it to start immediately if necessary. For more information, see Stopping, starting services, application pools, and websites .
Network not available.	Make sure your ISP is working.
The website ID for Team Foundation is not configured correctly.	Review or correct any server assignments that might be made to websites for Team Foundation.
Access to the Team Foundation website is restricted.	Review or correct these websites’ policies based on IP addresses and domain names.
Incorrectly configured firewall or some type of firewall.	Check or correct the site location assignments and dock assignments for the firewall. First, someone needs to open the admin console to work with Team Foundation, view the application-level page, and check the URL assignments. If necessary, you can click Change URL to change the URL associated with the website. Then you need to test the port assignments of Internet Information Services (IIS) and allow port a through Firewall. For more information, see Checking Server Status and Settings and Checking or Fixing Port Assignments .
Trusts between domains are usually not configured correctly.	If a group of addicts on a team cannot access Foundation Server, customers may experience trust issues when linking domains.
When users log into various TFS solutions from Visual Studio, for example when they log into TFS 2012 and then TFS 2008, they may encounter error TF31002.	This error most likely occurs because the GUIDs for the TFS 2012 collection are the same as for the TFS 2008. The local client’s memory cache is confusing because it tries to use the same local memory cache based on GUID. two servers with the new 2012 project collection. To resolve this issue, run the TFSConfig ChangeServerID command. See TFSConfig ChangeServerID command.