On Sep 5, 2011, at 1:21 PM, Zoltan Forray/AC/VCU wrote:

> I am trying to backup a LARGE SQL (4TB) database via the SQL TDP, without
> success.
> 
> It will run for a while and then die - usually with the error: ANS1017E
> (RC-50): Session Rejected : TCP/IP communications failure.  The last try
> backed up 125GB before failing.
> 
> I have greatly increased the server communication timeout (6000 seconds)
> guessing it is a timeout issue.

Rather than guessing: Are there any TSM server messages relating to the 
attempted backup?  This may be an Idletimeout issue.

      Richard Sims

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