/mcpVerify that the device is powered up and operating, verify that there is network connectivity between the device and Unified CM, and verify that the CPU utilization is in the safe range (you can monitor this via the CPU Pegging Alert in RTMT). 8 DeviceInitiatedReset - The device has initiated a reset, possibly due to a power cycle or internal error. No action required; the device will re- register automatically. 9 CallManagerReset - A device reset was initiated from Cisco Unified CM Administration, either due to an explicit command from an administrator, or due to internal errors encountered. No action necessary; the device will re- register automatically. 10 DeviceUnregistered - The device has explicitly unregistered. Possible causes include a change in the IP address or port of the device. No action is necessary; the device will re-register automatically. 11 MalformedRegisterMsg - (SIP only) A SIP REGISTER message could not be processed because of an illegal format. Possible causes include a missing Call-ID header, a missing AoR in the To header, or an expires value that is too small. Check the REGISTER message for any of these 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 201/343