Locate or Change the Product Key for Team Foundation Server
You can review the license type, license expiration date, and product key number of your deployment of Team Foundation Server. An expired or non-valid product key can disrupt your deployment. If you installed a trial edition of Team Foundation Server, be sure that the license does not expire. If it does, your users will be unable to use Team Foundation Server until you fix the problem. You might also need to locate the product key for support or record-keeping purposes.
If you have problems during the licensing upgrade process, you can contact support for Visual Studio Application Lifecycle Management (ALM). For more information, see the following page on the Microsoft Web site: Help and Support.
To locate or change the product key of an already-licensed copy of Team Foundation Server
Open the administration console of Team Foundation.
For more information, see Open the Team Foundation Administration Console.
Expand the name of the server, and review the information in Product ID, License Type, and License Expires.
The number that appears in Product ID is your product key.
(Optional) To change or update the product key, click Update License.
The Team Foundation Server License window opens.
Type the product key, and then click Activate.
To locate your product key if it does not appear in the administration console
You can find your product key in one of the following places:
On the sleeve of the setup DVD.
On the Microsoft Subscriber Downloads web site.
In the .ISO file or setup DVD, in the setup.sbd file, under [Product Key].