On 19/03/2012 20:51, Mandal, Ashoke wrote: > [...] > RMAN-10038: database session for channel aux1 terminated unexpectedly > > BTW: I am able to duplicate many other databases (all smaller than this > problematic one) to the same UNIX server without any problem. Not sure if the > size or the high number datafiles in backup is causing any issue or not. Hi Ashoke, a shot in the dark - I would check for firewall inactivity timeout (if there's a firewall between the backup and the target server, of course). Regards Dimitre -- //www.freelists.org/webpage/oracle-l