/mcp435 INFO LEVEL SAF_MISSING_NONCE - A nonce (a random parameter generated when the message is sent) is missing from the message. The system will resend with a new nonce automatically. No action is required. 436 SAF_UNKNOWN_USERNAME - Unified CM sent the SAF Forwarder an Application User name that is not configured on the router or that does not match the router's configuration. Check the Application User Name on the router and in the Application User Configuration window in Cisco Unified CM Administration to be sure they match. 438 INFO LEVEL SAF_STALE_NONCE - A nonce (a random parameter generated when the message is sent) has aged out (gone stale). The system will resend with a new nonce automatically. No action is required. 471 INFO LEVEL SAF_BAD_CLIENT_HANDLE - SAF_BAD_CLIENT_HANDLE - Unified CM sent the SAF Forwarder a Register message (for KeepAlive purposes) or unregister message with the mandatory CLIENT_HANDLE value, but the SAF Forwarder did not recognize the client handle. Unified CM will attempt to reregister with the SAF Forwarder without a client handle. This alarm is for informational purposes only; no action is required. 472 INFO LEVEL SAF_VERSION_NUMBER_TOO_LOW - Unified CM published a service (such as Hosted DN) whose version number is now lower than when it was previously published to the SAF Forwarder. The service is out of sync with the SAF Forwarder. Unified CM will republish the service in an attempt to resynch with the SAF Forwarder. This alarm is for informational purposes only; no action is required. 473 INFO LEVEL SAF_UNKNOWN_SERVICE - Unified CM attempted to unpublish a service from the SAF network but the SAF Forwarder does not have a publish record for that service. 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 280/343