/mcpError Message %UC_IPVMS-4-kFixedInputTranscoderFailed: %[AudioSourceID=ULong][ErrorCode=ULong] [ErrorCodeText=String][AppID=String][ClusterID=String][NodeID=String]: Fixed input audio stream transcoder failure.. Explanation An error was encountered while transcoding audio from the sound card. The audio source will not play possibly due an error accessing the sound card. Recommended Action Check that the USB sound device is properly installed. Unplug the USB sound device and replug back into the USB connector. Reset MOH device, restart Cisco IP Voice Media Streaming App service, or restart the server. Error Message %UC_IPVMS-4-kGetFileNameFailed: %[AudioSourceID=ULong][CodecType=String][AppID=String] [ClusterID=String][NodeID=String]: Get audio source file name failure.. Explanation The Music-on-Hold audio source is not assigned to an audio file. Recommended Action Assign the audio source to an audio file or change the value of the MOH audio source to a value that has been configured. Error Message %UC_IPVMS-3-kIPVMSDeviceDriverNotFound: %[AppID=String][ClusterID=String] [NodeID=String]: Cisco IP voice media streaming driver not found.. Explanation The Cisco IP voice media streaming driver was not found or is not installed. The Cisco IP Voice Media Streaming App service cannot run until this error is resolved. All software media devices (ANN, CFB, MOH, MTP) for this server will not be available. Recommended Action Check the system log for an error when the system attempted to load IpVms driver at the last server startup. A server restart is required to cause the driver to be loaded. Error Message %UC_IPVMS-4-kIPVMSMgrEventCreationFailed: %[Error=ULong][ErrorText=String][AppID=String] [ClusterID=String][NodeID=String]: Creation of required signaling event failed.. Explanation An error was encountered when creating a signaling event component. This may be due to a resource shortage. The Cisco IP Voice Media Streaming App service will terminate. Recommended Action Check the trace files for more information. The service should automatically be restarted. If this error continues to reoccur the server may need to be restarted. Error Message %UC_IPVMS-4-kIpVmsMgrThreadWaitFailed: %[AppID=String][ClusterID=String] [NodeID=String]: Error while waiting for asynchronous notifications of events.. Explanation An error was reported while the primary control process for Cisco IP Voice Media Streaming App was waiting on asynchronous events to be signaled. The service will terminate and should automatically be restarted. This will cause a temporary loss of availability for the software media devices (ANN, CFB, MOH, MTP). Recommended Action Monitor the service and status of the software media devices. The service should automatically restart. If the problem continues, review the trace files for additional information. A server restart may be required if this repeats. 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 45/343