/mcpError Message %UC_DRF-6-DRFBackupCompleted: %[Reason=String][AppID=String][ClusterID=String] [NodeID=String]: DRF backup completed successfully.. Explanation DRF backup completed successfully. Recommended Action Ensure that the backup operation completed successfully. Error Message %UC_DRF-6-DRFRestoreCompleted: %[Reason=String][AppID=String][ClusterID=String] [NodeID=String]: DRF restore completed successfully.. Explanation DRF restore completed successfully. Recommended Action Ensure that the restore operation completed successfully. Error Message %UC_DRF-3-DRFFailure: %[Reason=String][AppID=String][ClusterID=String][NodeID=String]: DRF Backup or Restore process has failed.. Explanation DRF Backup or Restore process encountered errors. Recommended Action Check DRF logs for further details. Error Message %UC_DRF-4-DRFNoBackupTaken: %[Reason=String][AppID=String][ClusterID=String] [NodeID=String]: A valid backup of the current system was not found.. Explanation A valid backup of the current system was not found after an Upgarde/Migration or Fresh Install. Recommended Action It is recommended to perform a Backup using the Disaster Recovery System. Error Message %UC_LOGIN-4-AuthenticationFailed: %[LoginFrom=String][TimeStamp=String][UserID=String] [Interface=String][AppID=String][ClusterID=String][NodeID=String]: Login Authentication failed.. Explanation Authentication failure for login attempt is detected. Recommended Action If this event happens repeatedly, investigate the source of the failed login attempts. Error Message %UC_LOGIN-6-AuthenticationSucceeded: %[LoginFrom=String][TimeStamp=String][UserID=String] [Interface=String][AppID=String][ClusterID=String][NodeID=String]: Login Authentication succeeded.. Explanation Authentication success for login attempt is detected. Recommended Action If this event is expected, no action is required; otherwise, notify the administrator. 5/24/26, 3:34 AM System Error Messages for Cisco Unified Communications Manager 15 - Cisco https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/err_msgs/15_x/ccmalarms15.html 97/343