CICS Internal Transactions

The following is a list of CICS internal transactions and their descriptions:

CDEQ
Data file editor DEQ file on timeout.
CKBC
CICS-MQ bridge - DPL container.
CKBP
CICS-MQ bridge - DPL commarea.
CKBR
CICS-MQ bridge - monitor task.
COFF
Input timeout logoff transaction.
CPIH
CICS Web Services PIPELINE processing.
CPIL
CICS Web services SOAP MQ inbound listener.
CPIQ
CICS Web services SOAP message MQ inbound router.
CPIR
CICS Web services pipeline resolution transaction.
CSOC
EZASOKET PLTPI auto start listeners.
CTRN
Castran internal transaction.
CTSC
TS expiry transaction.
CZM1
Send message to all terminals from ESCWA/ESMAC page. Used as a class 3 transaction, no RLS.
CZMG
Send message to all terminals from ESCWA/ESMAC page.
CZTS
ESCWA/ESCWA delete TS.
MERQ
IMTK CICS service interface EBCDIC runtime.
MERT
IMTK CICS service interface EBCDIC trace.
MMTM
IMTM CICS Service Interface EBCDIC WebSphere MQ trigger monitor.
MQMW
IMTK CICS service interface EBCDIC WebSphere MQ triggered program.
PIP1
PLTPI Phase 1 startup enterprise server region runs programs in PLTPI list once.
PIP2
PLTPI Phase 2 startup enterprise server region runs programs in PLTPI list in each process.
SDP1
PLTSD Phase 1 enterprise server region shutdown PLTSD runs once only.
SDP2
PLTSD Phase 2 enterprise server region shutdown PLTSD runs in each process.
x'6dffffff'
Clear screen transaction.
x'fbbffbbe
MQ listener transaction.
x'fbbffbbf
XA recover in-doubt transactions.
x'fccffccf
XA MFDS dynamic settings.