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Using different credentials to connect to Team Foundation Server

Posted by kiquenet en 27 agosto 2014

TFS Cache
<system drive>\Users\<your profile>\AppData\Microsoft\Team Foundation

You can try clearing the cache manually here: C:\Users[USERNAME]\AppData\Local\Microsoft\Team Foundation\5.0\Cache

Control Panel->User Accounts –> Manage your credentials (CredentialManager)

You can also use the command line to open the credential manager.

control /name Microsoft.CredentialManager

This will open the credential manager.

Recently, I had to authenticate to Team Foundation Server using an account with greater permissions to perform some administrative tasks.  As you may know, this requires entering alternate credentials when you add the server to the list of TFS servers, or when you need to connect to the server.  Once you’ve connected once, you aren’t prompted again as the credentials are cached locally.

In the past, to remedy this, you could simply delete the local TFS cache, which is located in the following directory (Windows Vista and onwards):

<system drive>\Users\<your profile>\AppData\Microsoft\Team Foundation

image

However, in more recent versions this has changed somewhat, and the user’s credentials are no longer linked to the local TFS cache or configuration.

Where are the Credentials?

Good question.  After some digging about, it seems that the credentials are now stored in the user’s Credential Manager store within Windows.  If you aren’t familiar with this, it was introduced on the more recent versions of Windows, and it lives via the Control Panel, under the following path: Control Panel->User Accounts

image

Inside this location, you can view all the locally cached credentials, including Windows Credentials:

image

Note: that it appears that for TFS credentials used by Team Explorer and other applications, the credentials are the ones under “Generic Credentials” not under “Windows Credentials” (in case you have TFS entries in both).

Making Changes

To modify or remove the credentials you use to connect to TFS, simply expand the appropriate entry and click on “Edit”, or to delete the local credentials, click on “Remove”.  If you opt to remove the credentials, you’ll be prompted to enter new credentials next time you connect to the specified TFS server.

image

So that was a little out of the way. When I tested this, I made sure that I’d disconnected from TFS before changing/removing the credential configuration.

It would be nice if Team Explorer linked to the Credentials Manager so we didn’t have to go digging to work this out, wouldn’t it?

TFS credentials

When you connect TFS from Visual Studio you will be asked to give user credential to connect. If you checked the option Remember my credentials while connecting TFS, you won’t be asked credentials again to connect TFS. In that case, if you wanted to change different credentials to connect TFS. you need to follow below solution to force Visual Studio to ask new credentials to connect TFS.

Revert TFS credentials in Visual Studio

Force to change TFS credentials in Visual Studio

      You need to remove TFS credentials from Windows Vault to clear and force to ask new TFS credentials in Visual Studio
      1. Go to Control Panel (Start -> Control Panel).
      2. Click User Accounts ( or User Accounts and Family Safety->User Accounts in Windows 7 Machine)
      3. Click Credential Manager (or Manage your credentials)

Remove TFS user credentials in Visual Studio

     4. In Credential Manager page, you can see the two type of credentials
           i. Windows Credentials
           ii. Generic Credentials

     5. Click on two credential’s modify link,  click the link Remove from vault to remove stored TFS credentials.

Now, When you login into Visual Studio you will be asked to give credentials to connect TFS.

Note:
Don’t forgot to uncheck the option Remember my credentials to force to ask credentials for every TFS connections.

References:
http://sanderstechnology.com/2013/using-different-credentials-to-connect-to-team-foundation-server/11865/#.U-iskPl_vij
http://www.morgantechspace.com/2013/09/how-to-change-user-credentials-for-tfs.html

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