Hi Marianne,
telnet is not successfull from both sides.
Media Server Logs :
bpcd logs : PFA
bpbrm logs : PFA
Client logs :
bpcd logs : PFA
bpbkar logs : No logs generated.
Job detail of failed job as mentioned below :
09/18/2015 12:52:53 - Info nbjm (pid=6637) starting backup job (jobid=5819622) for client saaclalt1-nbu, policy APP_FS_SWIFT_TEST, schedule Weekly_Full
09/18/2015 12:52:53 - Info nbjm (pid=6637) requesting STANDARD_RESOURCE resources from RB for backup job (jobid=5819622, request id:{CB7C708E-5DFB-11E5-8304-00144F43C41C})
09/18/2015 12:52:53 - requesting resource OM-9940B-TSUG-ALLIB-1
09/18/2015 12:52:53 - requesting resource nbumaster.NBU_CLIENT.MAXJOBS.saaclalt1-nbu
09/18/2015 12:52:53 - requesting resource nbumaster.NBU_POLICY.MAXJOBS.APP_FS_SWIFT_TEST
09/18/2015 12:52:54 - granted resource nbumaster.NBU_CLIENT.MAXJOBS.saaclalt1-nbu
09/18/2015 12:52:54 - granted resource nbumaster.NBU_POLICY.MAXJOBS.APP_FS_SWIFT_TEST
09/18/2015 12:52:54 - granted resource D00431
09/18/2015 12:52:54 - granted resource AL_00-01-01-15_803
09/18/2015 12:52:54 - granted resource OMG-NBUMED-01-TSU-ALLIB
09/18/2015 12:52:54 - estimated 0 kbytes needed
09/18/2015 12:52:54 - Info nbjm (pid=6637) started backup (backupid=saaclalt1-nbu_1442577174) job for client saaclalt1-nbu, policy APP_FS_SWIFT_TEST, schedule Weekly_Full on storage unit OMG-NBUMED-01-TSU-ALLIB
09/18/2015 13:00:14 - Info bpbrm (pid=1756) saaclalt1-nbu is the host to backup data from
09/18/2015 13:00:14 - Info bpbrm (pid=1756) telling media manager to start backup on client
09/18/2015 13:00:15 - Info bptm (pid=7580) using 262144 data buffer size
09/18/2015 13:00:15 - Info bptm (pid=7580) using 128 data buffers
09/18/2015 13:17:58 - Info bpbrm (pid=6848) sending bpsched msg: CONNECTING TO CLIENT FOR saaclalt1-nbu_1442577174
09/18/2015 13:17:59 - connecting
09/18/2015 13:24:30 - Error bpbrm (pid=6848) cannot create data socket, The operation completed successfully. (0)
09/18/2015 13:24:30 - Info bpbrm (pid=1756) child done, status 21
09/18/2015 13:24:30 - Info bpbrm (pid=1756) sending message to media manager: STOP BACKUP saaclalt1-nbu_1442577174
09/18/2015 13:24:31 - Info bpbrm (pid=1756) media manager for backup id saaclalt1-nbu_1442577174 exited with status 150: termination requested by administrator
09/18/2015 13:24:31 - end writing
socket open failed (21)