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

Products

• OPS/MVS Event Management & Automation

Issue/Introduction

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

or customer could also see:

OPS3541O APPC ALLOCATE FUNCTION FAILED FOR SYSA - RPL6RC = X'00580000', RPLFDBK = X'000B00', SENSE = X'80020000'

Environment

Release: PVLA2.00200-12.1-OPS/MVS-Event Management & Automation-for JES2
Component:

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

See the section of the applicable release manual titled "Configure the Multi-System Facility (MSF)"  

This is applicable to releases 12.3 and subsequent