/mcp[ClusterID=String][NodeID=String]: XCP Config manager hostname resolution failed. Explanation Cisco XCP Config Manager could not resolve a DNS name to allow XCP Routers to connect to that node. Recommended Action Please verify DNS resolvability of all Hostnames and FQDNs in both local and remote clusters. Restart XCP Config Manager then XCP Router after DNS is resolvable. Error Message %UC_XcpCM-2-XCPConfigMgrR2RPasswordEncryptionFailed: %[hostname=String][AppID=String] [ClusterID=String][NodeID=String]: XCP Config Manager Password Encryption Failed. Explanation Cisco XCP Config Manager was unable to encrypt the password associated with an Inter-cluster Router-to-Router configuration. Recommended Action Restart XCP Config Manager and then restart the XCP Router Error Message %UC_XcpCM-2-XCPConfigMgrR2RRequestTimedOut: %[hostname=String][AppID=String] [ClusterID=String][NodeID=String]: XCP Config Manager R2R Configuration Request Timed Out. Explanation Cisco XCP Config Manager sent an R2R configuration request to the XCP Router, but the XCP Router did not acknowledge the request in the time allowed. Recommended Action Restart XCP Config Manager and then restart the XCP Router Error Message %UC_XcpCM-2-XCPExternalDatabaseCertificateNotFound: %[AppID=String][ClusterID=String] [NodeID=String]: Cisco XCP Config Manager was unable to find one or more external Database certificates from cup-xmpp-trust store Explanation An attempt to establish an SSL connection between the Cisco Unified IM and Presence Service node and the configured External Database has failed because the required certificate is missing.This may have occurred as a result of the Cisco Inter Cluster Sync Agent (ICSA) service not having propagated the certificate to all nodes yet or the required certificate has been deleted. Recommended Action Please ensure that the required certificate is uploaded to the cup-xmpp-trust store. If the certificate is already present, please ensure that the Cisco ICSA service is running on all the IM and Presence service nodes. Restart the Cisco ICSA service on all the nodes or wait for 15 minutes to ensure that the Cisco ICSA service propagates the certificate to all the IM and Presence service nodes. As an additional step, please navigate to the External Database configuration page for the particular database and take corrective measures if there are any error messages displayed on the page. Finally, restart the Cisco XCP Config Manager Service. Error Message %UC_XcpCM-2-PushNotificationFailed: %[Type=String][TrackingID=String][SourceUserJID=String] [DestinationUserJID=String][ErrorCode=String][ErrorDescription=String][component=String] [AppID=String][ClusterID=String][NodeID=String]: Cisco XCP Config Manager was not able to send Push Notification. Explanation An attempt to send a message packet to PushUri failed, Push Notification not sent Recommended Action Take action as appropriate based on the Error Code and Error Description. If further assistance is required, please contact Cisco Technical Support. 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 152/343