/mcpError Message %UC_CERT-3-CertExpired: %[Message=String][AppID=String][ClusterID=String][NodeID=String]: This indicates certificate has expired. Please renew the certificate at the earliest. Explanation This alarm indicates that certificate has expired Recommended Action Renew the certificate at the earliest. Error Message %UC_IMS-4-authFail: %[UserID=String][Message=String][AppID=String][ClusterID=String] [NodeID=String]: An attempt to authenticate this user with the given credentials failed.. Explanation Failed to authenticate this user. Recommended Action Determine correct credentials and retry. Error Message %UC_IMS-4-SSONullTicket: %[Message=String][AppID=String][ClusterID=String][NodeID=String]: A null ticket was passed.. Explanation Failed to authenticate this user. Recommended Action Get non null ticket and retry. Error Message %UC_IMS-4-SSOServerUnreachable: %[Message=String][AppID=String][ClusterID=String] [NodeID=String]: SSO server could not be reached.. Explanation SSO server could not be reached. Recommended Action Check reachability to SSO server. Error Message %UC_IMS-3-LDAPServerUnreachable: %[LDAPUrl=String][AppID=String][ClusterID=String] [NodeID=String]: Authentication server could not be reached.. Explanation Authentication server could not be reached. Recommended Action Check reachability to Authentication server. Error Message %UC_IMS-4-SSOuserNotInDB: %[Message=String][AppID=String][ClusterID=String] [NodeID=String]: User was not found in DB.. Explanation User was not found in DB. Recommended Action Perform sync manually or wait till next scheduled sync. Error Message %UC_IMS-4-SSODisabled: %[Message=String][AppID=String][ClusterID=String] [NodeID=String]: SSO disabled on CUCM.. Explanation SSO disabled on CUCM. Recommended Action run CLI command to enable SSO. Error Message %UC_IMS-4-SSOInternal: %[Message=String][AppID=String][ClusterID=String] 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 100/343