Is there any way to turn off the Windows Backup Maintenance message in the Action Centre for all the users in the Domain environment? (such as through the regisry or group policy?)

Check this: http://www.grouppolicy.biz/tag/action-center/

Hi Ivan, You can refer to http://www.thewindowsclub.com/how-to-disable-windows-backup-notification-in-windows-7 Please Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information. Regards, MiyaThis posting is provided "AS IS" with no warranties, and confers no rights. | Please remember to click "Mark as Answer" on the post that helps you, and to click "Unmark as Answer" if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.