TCP/IP connection failure

Hi folks,
   We're seeing an intermittent error on prompted backups. When if fails
(complete error log below) it still reports "completed" for the job status
(Schedlog shows no files backed up (except NDS, see below)). Any ideas?
Thanks, Doug

Server 5.1.1 Win2k Sp3, Client NW 4.2 Sp9, TSM client 4.2.2.0, 56k frame
relay connection

*** Error Log ***
12/19/2002 20:13:37 ANS1809E Session is lost; initializing session reopen
procedure.
12/19/2002 20:13:38 ANS1809E Session is lost; initializing session reopen
procedure.
12/19/2002 20:13:53 ANS1810E TSM session has been reestablished.
12/19/2002 20:36:35 cuGetFSQryResp: Received rc: -50 from sessRecvVerb
12/19/2002 20:36:35 fsCheckAdd: received error from server query response
12/19/2002 20:36:35 sessSendVerb: Error sending Verb, rc: -50
12/19/2002 20:36:35 cuFSQry: Received rc: -50 from cuBeginTxn
12/19/2002 20:36:35 fsCheckAdd: received error from server query
12/19/2002 20:36:35 sessSendVerb: Error sending Verb, rc: -50
12/19/2002 20:36:35 cuFSQry: Received rc: -50 from cuBeginTxn
12/19/2002 20:36:35 fsCheckAdd: received error from server query
12/19/2002 20:36:35 ANS1228E Sending of object 'Server Specific Info/Server
Specific Info' failed
12/19/2002 20:36:35 ANS1017E Session rejected: TCP/IP connection failure

12/19/2002 20:36:35 ANS1228E Sending of object 'SYS:' failed
12/19/2002 20:36:35 ANS1017E Session rejected: TCP/IP connection failure

12/19/2002 20:36:35 ANS1228E Sending of object 'VOL1:' failed
12/19/2002 20:36:35 ANS1017E Session rejected: TCP/IP connection failure

*** Sched Log excerpt ****

...Normal startup and start of NDS backup before this (ANS1809E errors are
before this) ...

12/19/2002 20:21:13 Normal File-->         2,097,152
.[Root].O=CHITTENDEN_CORP.OU=SEVT.OU=RANDOLPH.CN=T1095006 [Sent]
12/19/2002 20:21:14 Normal File-->         2,097,152
.[Root].O=CHITTENDEN_CORP.OU=SEVT.OU=RANDOLPH.CN=T1095007 [Sent]
12/19/2002 20:21:15 Normal File-->         2,097,152
.[Root].O=CHITTENDEN_CORP.OU=SEVT.OU=RANDOLPH.CN=T1095008 [Sent]
12/19/2002 20:23:13 Normal File-->         2,097,152
.[Root].O=CHITTENDEN_CORP.OU=SEVT.OU=RANDOLPH.CN=T1095009 [Sent]
12/19/2002 20:23:19 Directory-->           2,097,152
.[Root].O=CHITTENDEN_CORP.OU=SEVT.OU=RUT_WEST.OU=RUTL_OPS [Sent]
12/19/2002 20:23:52 ANS1898I ***** Processed     1,000 files *****
12/19/2002 20:36:35 Directory-->           2,097,152
.[Root].O=CHITTENDEN_CORP.OU=SEVT.OU=RUT_WEST.OU=RUTL_OPS.OU=Trust [Sent]

12/19/2002 20:36:35 ANS1228E Sending of object 'Server Specific Info/Server
Specific Info' failed
12/19/2002 20:36:35 ANS1017E Session rejected: TCP/IP connection failure

12/19/2002 20:36:35 ANS1228E Sending of object 'SYS:' failed
12/19/2002 20:36:35 ANS1017E Session rejected: TCP/IP connection failure

12/19/2002 20:36:35 ANS1228E Sending of object 'VOL1:' failed
12/19/2002 20:36:35 ANS1017E Session rejected: TCP/IP connection failure

12/19/2002 20:36:35 Successful incremental backup of '.[Root]'

12/19/2002 20:36:45 --- SCHEDULEREC STATUS BEGIN
12/19/2002 20:36:46 Session established with server ROSEWOOD: Windows
12/19/2002 20:36:46   Server Version 5, Release 1, Level 1.0
12/19/2002 20:36:46   Data compression forced on by the server
12/19/2002 20:36:46   Server date/time: 12/19/2002 20:36:25  Last access:
12/19/2002 20:36:11

12/19/2002 20:36:46 Total number of objects inspected:    1,297
12/19/2002 20:36:46 Total number of objects backed up:       71
12/19/2002 20:36:46 Total number of objects updated:          0
12/19/2002 20:36:46 Total number of objects rebound:          0
12/19/2002 20:36:46 Total number of objects deleted:          0
12/19/2002 20:36:46 Total number of objects expired:          0
12/19/2002 20:36:46 Total number of objects failed:           3
12/19/2002 20:36:46 Total number of bytes transferred:   313.25 KB
12/19/2002 20:36:46 Data transfer time:                    0.22 sec
12/19/2002 20:36:46 Network data transfer rate:        1,423.90 KB/sec
12/19/2002 20:36:46 Aggregate data transfer rate:          0.14 KB/sec
12/19/2002 20:36:46 Objects compressed by:                   64%
12/19/2002 20:36:46 Elapsed processing time:           00:35:26
12/19/2002 20:36:46 --- SCHEDULEREC STATUS END
12/19/2002 20:36:46 --- SCHEDULEREC OBJECT END BRANCH 12/19/2002 20:00:00
12/19/2002 20:36:46 Scheduled event 'BRANCH' completed successfully.
12/19/2002 20:36:46 Sending results for scheduled event 'BRANCH'.
12/19/2002 20:36:46 Session established with server ROSEWOOD: Windows
12/19/2002 20:36:46   Server Version 5, Release 1, Level 1.0
12/19/2002 20:36:46   Data compression forced on by the server
12/19/2002 20:36:46   Server date/time: 12/19/2002 20:36:26  Last access:
12/19/2002 20:36:26

12/19/2002 20:36:46 Results sent to server for scheduled event 'BRANCH'.

12/19/2002 20:36:46 ANS1483I Schedule log pruning started.
12/19/2002 20:36:47 Schedule Log Prune: 2804 lines processed.  213 lines
pruned.
12/19/2002 20:36:47 ANS1484I Schedule log pruning finished successfully.
12/19/2002 20:36:47 Querying server for next scheduled event.
12/19/2002 20:36:47 Node Name: RAND_95
12/19/2002 20:36:47 Session established with server ROSEWOOD: Windows
12/19/2002 20:36:47   Server Version 5, Release 1, Level 1.0
12/19/2002 20:36:47   Data compression forced on by the server
12/19/2002 20:36:47   Server date/time: 12/19/2002 20:36:27  Last access:
12/19/2002 20:36:26

12/19/2002 20:36:47 --- SCHEDULEREC QUERY BEGIN
12/19/2002 20:36:47 --- SCHEDULEREC QUERY END
12/19/2002 20:36:47 Next operation scheduled:
12/19/2002 20:36:47
------------------------------------------------------------
12/19/2002 20:36:47 Schedule Name:         BRANCH
12/19/2002 20:36:47 Action:                Incremental
12/19/2002 20:36:47 Objects:
12/19/2002 20:36:47 Options:
12/19/2002 20:36:47 Server Window Start:   20:00:00 on 12/20/2002
12/19/2002 20:36:47
------------------------------------------------------------
12/19/2002 20:36:47 Waiting to be contacted by the server.

Douglas C. Nelson
Distributed Computing Consultant
Alltel Information Services
Chittenden Data Center
2 Burlington Square
Burlington, Vt. 05401
802-660-2336