Customer reports repetitive OPS3541H errors and MSF connection(s) drop:
OPS3541H APPC ALLOCATE FUNCTION FAILED FOR DEVJ - RPL6RC = X'00580000' RPLFDBK = X'000B00', SENSE = X'00000000'
or customer could also see:
The RPL6RC = X'00580000's are indicative of a VTAM limitation due to a session limit (DSESLIM) value of less than 3.
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,
DSESLIM=3, <===== here
See the section of the applicable release manual titled "Configure the Multi-System Facility (MSF)"
This is applicable to releases 12.3 and subsequent