/mcpError Message %UC_CERT-4-CertValidLessThanMonth: %[Message=String][AppID=String][ClusterID=String] [NodeID=String]: Alarm that indicates Certificate Expire in 30 days or lesser . Explanation The Expiry date of the Certificate indicated in the notification is less than a month Recommended Action Re-generate the certificate that is about to Expire from Certificate Management UI from CUOS Administration web Page. If the Certificate is issued by a CA, Generate a CSR, Submit CSR to CA, obtain a fresh certificate from CA and upload it to CUCM. Error Message %UC_CERT-2-TomcatCertRegen: %[Message=String][AppID=String][ClusterID=String] [NodeID=String]: Alarm that indicates the tomcat certificate is regenerated. Explanation This alarm indicates that tomcat certificate has been regenerated or CA signed Tomcat Certificate has been uploaded. Recommended Action Restart the tomcat service for the new tomcat certificate to be effective. If EMCC feature is enabled for the communication across the clusters, perform the bulk certificate management provisioning for tomcat unit from Cisco Unified OS Administration Webpage Error Message %UC_CERT-0-CertificateRevoked: %[Message=String][AppID=String][ClusterID=String] [NodeID=String]: Alarm indicates that recently uploaded certificate is revoked and needs to be changed at the earliest.. Explanation This alarm indicates that recently uploaded third party signed certificate or trust certificate is revoked. Recommended Action Delete revoked trust certificate and re-upload it from Cisco Unified OS Administration Webpage. In case of third party signed (own) certifiate, just re-upload new certificate. Error Message %UC_CERT-4-CertificateRevokationStatusByOCSP: %[Message=String][AppID=String] [ClusterID=String][NodeID=String]: Alarm indicates that CUCM could not determine OCSP revocation status of recently uploaded certificate.. Explanation This alarm indicates that CUCM failed to determine revocation status of recently uploaded third party signed certificate or trust certificate. Recommended Action Evaluate reason of certificate revocation failure. Delete and re-upload certificate if required. Error Message %UC_CERT-4-ITLRecoveryCertBackup: %[Message=String][AppID=String][ClusterID=String] [NodeID=String]: This cluster has an ITLRecovery certificate that has not been backed up. Taking a manual backup of this certificate is recommended to avoid the need to manually delete the ITL file from every phone in the cluster after certain cluster reconfiguration operations.. Explanation This alarm indicates that the newly generated ITL Recovery Certificate and key have not yet been backed up. Recommended Action Use the CLI command "file get tftp ITLRecovery.p12" to back up the ITL Recovery Certificate as soon as possible. 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 99/343