One of our Windows client backups has had a minor but very puzzling problem on 
three of the last four days. On each of the three days the following sequence 
of events occurred:

1.The TSM server displayed the message "ANR2716E Schedule prompter was not able 
to contact client TJVDPMHD using type 1" three minutes and ten or eleven 
seconds after the nominal starting time for the backup.
2.The contact attempt was retried successfully thirty seconds after the error 
message.
3.The backup ran successfully and with no further sign of network communication 
issues.

The client system has a network interface dedicated to TSM traffic. This 
interface is on the same subnet as one of the network interfaces on the system 
hosting the TSM server. There are 24 other client systems on the subnet. None 
of the 24 have shown any recent signs of network communications issues.

A "query node" command reports that the client system is running 64 bit Windows 
7 and using TSM 6.2.4.0 client code.

The TSM server code is at level 6.3.5.0 and is running under zSeries Linux. I 
checked the various log files in /var/log and found no sign of network errors 
within the last few days.

Does anyone know of an explanation for the odd combination of consistent 
behavior on a 24 hour time scale and inconsistent behavior on a 30 second time 
scale?

Thomas Denier,
Thomas Jefferson University
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