Explanation: The bpsynth process was unable to connect to the media server to read a backup image.
Recommended Action: Ensure that network connectivity exists between the master server and the specified media server. Examine the NetBackup error log for any error messages that bpsynth logged. For more information, refer to the debug logs for bpsynth on the master server and bpcd and bptm or bpdm on the media server.
A complete list of required logs and configuration information is available.
See "Logs To Accompany Problem Reports for Synthetic Backup" in the Troubleshooting Guide.