Registry Sentinel - Version 2.8 Registry Sentinel automates backing up and restoring Windows NT, 2000, and XP computer registries on schedule or on demand. Registries can be backed up to the server's system32\repair folder or on any drive on any computer on the network. An unlimited amount of computers can be backed up from one computer.Registry Sentinel is designed like all of our Sentinel products with an easy-to-use interface of computers on the left and statistics about the computer on the right. It doesn't require any agents to be installed or run on the computers being monitored.