/mcpError Message %UC_CLUSTERMANAGER-3-CLM_UnrecognizedHost: %[NodeIP=String][AppID=String] [ClusterID=String][NodeID=String]: ClusterMgr unrecognized host.. Explanation ClusterMgr has received a message from an IP address which is not configured as a node in this cluster. Recommended Action Verify that this IP address is currently configured as a server in this cluster. Error Message %UC_CLUSTERMANAGER-1-CLM_ConnectivityTest: %[NodeIP=String][ErrorString=String] [AppID=String][ClusterID=String][NodeID=String]: CLM Connectivity Test Failed. . Explanation Cluster Manager detected a network error. Recommended Action Verify connectivity between cluster nodes and fix any network issues. Error Message %UC_AUDITEVENT-4-AuditLogsExceedsConfiguredThreshold: %[AppID=String][ClusterID=String] [NodeID=String]: Indicates that the disk space configured for application audit logging exceeds the configured threshold. Explanation This alarm indicates the percentage of disk space configured for application audit logging exceeds the configured threshold. Audit logs files will be overwritten sooner or later depends on the frequency of audit logging by the CUCM applications. Recommended Action Login to " Cisco Unified Serviceability - > Tools - > Audit Log Configuration " and check the notification settings for application audit log. If the Warning Threshold for Approaching Log Rotation Overwrite is set to a lower value than the default(80%) threshold unintentionally, set it to default. Please contact Cisco Technical Assistance Centre (TAC) for further support. Error Message %UC_AUDITEVENT-4-AuditLogOverFlowDueToLogRotation: %[AppID=String][ClusterID=String] [NodeID=String]: AuditLogOverFlowDueToLogRotation Explanation This alarm indicates that the audit log overflow occurred. An existing audit log file is overwritten resulting in overflow and eventual loss of audit data. Recommended Action Login to " Cisco Unified Serviceability - > Tools - > Audit Log Configuration " and check if the Audit Log Rotation is enabled. Administrator can choose not to overwrite the audit log files by disabling the " Enable Log Rotation " option.Please contact Cisco Technical Assistance Centre (TAC) for further 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 309/343