Since pkg11 in DA 5.6.0, DA no longer uses the subsystem but instead uses the PC instruction and goes "cross memory". The major things to check are: 1) no other workload server is active
CICS abends caused dump data sets to fill. Dump data sets were switched in an attempt to clear them, but this did not work. Can the StarTool-DA maintenance job be run and how?
Modify DA-CICS to remmove DFHPEP. The function (s) currently performed by ESPYAOPE (the DA-CICS DFHPEP processing module) can be performed instead by a transaction initiated by the monitor task program ESPYAOCK (in response to it having been posted by the DA-CICS XPCTA GLUE).