The Access Control Module comes with a free 30-day trial license. After that the software will no longer function. In order to activate a license, follow these steps. > [!note] > After a valid license has been loaded the XProtect Event Server will require a restart. This should be scheduled during a suitable maintenance window. 1. Open the XProtect Management Client **_on the XProtect Event Server_** and login. 2. On the left-hand side navigate to ORBNET Plugins > S2 Access Control. ![[ORBNET S2 Milestone ACM Installation Guide v137 EN 31.png]] 3. Click on the Settings tab, this will show the current license status: ![[z_img/d14c22a0b95022cb54e62fc0c6048b99_MD5.jpg]] 4. Complete the Client Name field and click on **Export license request**. This will generate a “.s2licr” file. 5. Send this file to [[email protected]](mailto:[email protected]) to get your license activated. Once ORBNET has received payment, a return email will follow containing the “.s2lic” file which needs to be imported as follows. 6. In the same XProtect Management Client, click on **Import valid license**. Select the “.s2lic” file that was sent to you. 7. The license status should now update showing the duration of the license and any other license features. 8. The XProtect Event Server will now need to be restarted to activate any previously unlicensed features. This should be done manually by a system administrator. 9. After the XProtect Event Server has restarted, re-open the Settings tab in the Management Client plugin to confirm the license status.