You return licenses administrated by License Administrator to the License Activation Server, for example when you move licenses to another License Server.
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 license.
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.