When your service year expires, you can still see the project data on your site, but you cannot make any changes to it.
Your service year starts the first time you log into your site, or the first time you create or edit any item on your site, such as a tracker artifact or a document. Whichever of these events comes first starts the clock.
The expiration date of your license is shown on the License Keys page. (See the About CollabNet TeamForge page for the company name associated with the license.)
If your site has switched to read-only mode, you can still carry out some critical maintenance functions: