Hello,
1) Please check if the Remote agent has been installed correctly on the remote system and its version is same as Backup Exec version(10d).If not then reinstall the remote agent.
2) Add the IP address and Host name of the Remote server to LMHOSTS file and HOSTS file on media server and IP address and Host name of the Media server to LMHOSTS file and HOSTS file on Remote Server. To do this, you will need to locate the lmhosts.sam file and edit it with notepad. Add the target servers name to bottom of the file, and save. This might require a reboot for it to get loaded in to the system.
3) Please check if the Port 10000, which is the default port used by NDMP(Network Data Management Protocol) is not used by any other application. If it is used by another application, please follow the steps given in the following
Technote:
TITLE: How to change the port that NDMP uses in VERITAS Backup Exec 9.x for Windows Servers
http://seer.support.veritas.com/docs/255498.htm
Thank You,
Shweta