Hello,
This error seems that you have blocked Inet service, please check that, kill all services of Data Protector on the host or restart the host: gervworap010.corp.zim.com, and try again start the backup.
Check the firewall rules or network overhead in time of the backup!
Please, provie as:
Cell Manager: version of DP and patch level?
Disk Agent: version and patch level?
BR
Emil