Borrar Team Project Collection

1. On your TFS server, open an Administrative Command Prompt
2. Change into the TFS Tools Directory. Type:
   cd "%programfiles%\microsoft team foundation server 2010\tools"
3. Type in the following (replacing [COLLECTION NAME] with the collection you want to delete):
   TFSConfig Collection /delete /collectionName:[COLLECTION NAME]

If you created a SharePoint Portal for your Team Project Collection, you should clean it up as well.

1. Open the URL of your Team Project Collections SharePoint portal (eg. http://northwind.com.au/tfs/TestProjectCollection)
2. Select Site Actions | Site Settings on the right
3. Under the Site Administration subheading, click on Delete this site
4. Confirm the deletion

If you created a Reports site for your Team Project Collection, you should clean it up as well.

1. Open the URL of your Reporting Services page (eg. http://tfs.ssw.com.au/Reports/)
2. Click on the TfsReports folder
3. Click on the name of the Team Project Collections folder
4. Click Properties in the top navigation
5. Click on Delete

Now your TFS server is nice and clean and fit for production.