/mcpError Message %UC_IPVMS-4-kDeviceDriverError: %[Error=String][AppID=String][ClusterID=String] [NodeID=String]: IP voice media streaming device driver error.. Explanation The IP voice media streaming device driver returned an error. This may indicate a significant media error or resource shortage. Recommended Action Restarting the Cisco IP Voice Media Streaming App service or possibly restarting the server may resolve the error condition. Error Message %UC_IPVMS-4-kDeviceMgrCreateFailed: %[DeviceName=String][ServerNumber=ULong] [ServerName=String][AppID=String][ClusterID=String][NodeID=String]: Device connection manager failed to start.. Explanation The device controller was unable to start a connection to control device registration with CallManager. This is possibly due to lack of memory. Recommended Action Restart the Cisco IP Voice Media Streaming App service or restart the CUCM server. Error Message %UC_IPVMS-4-kDeviceMgrExitEventCreationFailed: %[DeviceName=String][TraceName=String] [Error=ULong][ErrorText=String][AppID=String][ClusterID=String][NodeID=String]: Creation of device manager exit event failed.. Explanation An error was reported when allocating an exit-control event for a SW media device. The device will not be registered with CallManager or active. Recommended Action This error may be due to a memory resource shortage. Restart the Cisco IP Voice Media Streaming App service or restart the CUCM server. Error Message %UC_IPVMS-6-kDeviceMgrLockoutWithCallManager: %[TraceName=String][AppID=String] [ClusterID=String][NodeID=String]: Cisco Unified Communications Manager in lockout.. Explanation The specified Cisco Unified Communications Manager has failed to respond to control messages. The TCP control connection to CUCM is being suspended. This will cause a switch to another CUCM if one is available otherwise the device will be unavailable. There may be a shortage of CPU resource or some other error condition on the CUCM server. Recommended Action Check the status of the Cisco Unified Communications Manager service. You may have to restart the CUCM service or the CUCM server. Error Message %UC_IPVMS-5-kDeviceMgrMoreThan50SocketEvents: %[TraceName=String][AppID=String] [ClusterID=String][NodeID=String]: More than 50 events returned from TCP link.. Explanation The specified Cisco Unified Communications Manager TCP link has returned a large number of TCP events. This indicates an unexpected flood of events. Recommended Action No action is required. Monitor for reoccurance. This could be an indication of a security issue. 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 41/343