Hello,
1. In tools-options-network what is the option that you have selected for network interface if it is use any avaialble network adapter or anything specific, if it is use any available please select a specific and then observe the result.
2. Are you using Advanced open file option?
if yes then try unselecting it and then observe the result
3 Are you taking local backups or remote backups ?
Try spliting the job and then observe the result.
4.Enable support for restrict anonymous with the help of the technote below on the local server and remote server:
http://seer.support.veritas.com/docs/238618.htm
5. The file that you have mentioned does it exist?
If yes then to isolate take a backup of this file only and then verify
also try to exclude it from backup and then verify
Please update the results.
Thanks,
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