Hello,
It seems the backup succeeds after deselcting the c::\windows\system32\wbem\repositry or repositry.001 folder.
Follow the steps in the technote below in order to resolve the problem:
Technote 1 you seem to have already followed, however you can retry nonetheless
Title: Backup Exec Remote Agent service stops during a backup and a "Faulting application beremote.exe, version 9.1.4691.35, faulting module bedsnt5.dll, version 9.1.4691.20" error is logged in the Application event log.
http://support.veritas.com/docs/278033
Title: "A timeout occurred waiting for data from the agent during operation shutdown" or "The network connection to the Backup Exec Remote Agent has been lost. Check for network errors" (a00084f8 HEX or e00084f8 HEX) is reported during a backup operation.
http://support.veritas.com/docs/258159
Hope this helps. Revert if the issue persists.
Note : If we do not receive your reply within two business days, this post would be marked ‘assumed answered’ and would be moved to ‘answered questions’ pool.
Regards.