Backup getting failed with error 42

Hello,

 

Backup of one of windows client is getting failed with error 42.

 

07/11/2016 05:21:25 - Error bptm (pid=27119) get_string() failed, Broken pipe (32), premature end of file encountered
07/11/2016 05:21:25 - Info bptm (pid=27119) EXITING with status 42 <----------
07/11/2016 05:21:25 - Info bus05lw (pid=27119) StorageServer=PureDisk:bus05lw; Report=PDDO Stats for (bus05lw): scanned: 15012404 KB, CR sent: 350456 KB, CR sent over FC: 0 KB, dedup: 97.7%, cache disabled
07/11/2016 05:27:00 - Error bpbrm (pid=27034) could not send server status message
07/11/2016 05:27:00 - Info bpbkar (pid=14040) done. status: 42: network read failed
07/11/2016 05:27:00 - end writing; write time: 0:23:38

We are using nbu appliance as a media server.

Netbackup Version ---7.6.1.2

 

Appliance Model is NetBackup Appliance 5220.

Appliance Version is 2.6.0.4.

 Client OS----Windows 2008 R2