CA OPSMVS - Client receives repetitive OPS3541H errors and MSF connection(s) drop.

Document ID : KB000004839
Last Modified Date : 14/02/2018
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Issue:

Client receives repetitive OPS3541H errors and MSF connection(s) drop:
OPS3541H APPC ALLOCATE FUNCTION FAILED FOR DEVJ - RPL6RC = X'00580000' RPLFDBK = X'000B00', SENSE = X'00000000'

Cause:

The RPL6RC = X'00580000's are indicative of a VTAM limitation due to a session limit (DSESLIM) value of less than 3.

Resolution:

Please ensure the clients for the VTAM OPSMVS APPL definition has a session limit of DSESLIM=3 defined as noted in the CA OPS/MVS Configure the Multi-System Facility for the MSF component:

netname APPL APPC=YES,
AUTH=ACQ,
AUTOSES=1,
DSESLIM=3, <===== here
DMINWNL=1,
DMINWNR=1,
MAXPVT=512K,
MODETAB=modetab,
PARSESS=YES,
PRTCT=vtampswd

Additional Information: