When you unassign a token, the user can no longer use the token to authenticate and the token is disabled. If you reassign the token to another user, it is automatically re-enabled.
Note: You cannot unassign RSA SecurID Authenticate Tokencodes in RSA Authentication Manager.
In the Security Console, go to the Home page.
Use Quick Search to find the user.
Select the user whose token you want to unassign.
Under Assigned SecurID Tokens, click the token you want to unassign.
Click the arrow next to the Edit button and click Unassign.
RSA SecurID Tokens
Assign a Hardware Token to a User in the User Dashboard