You remove local licenses or return network licenses to the License Activation Server. For example, you can clean up expired licenses from the Licenses view or move network licenses to another License Server.
You cannot reactivate a removed local license.
When you return a license to the License Activation Server, all the licenses that were activated in the same transaction with that license are also returned.
In License Administrator, click the Licenses view.
Select the local license to remove or the network license to return.
On the Licenses toolbar, click the Remove/return license button .
Click Yes .
Click Close .
In the Licenses dialog box, click Restart now , to apply the changes to the License Server.