DFHccnnnn identifiers

DFHccnnnn messages have a prefix of DFH followed by a two-letter component identifier (cc), and a four-digit message number (nnnn). The component identifier shows the domain or the component which issues the message.

For example, the CICS® message DFHAP0002 is issued from the application domain, identified by the two-character identifier AP. The following list associates the component identifiers with the associated CICS domains and components:

AC
Abnormal condition program component
AD
CICS Development Deployment Tool messages
AI
Autoinstall terminal model manager (AITM)
AM
RDO allocation manager
AP
Application domain
BA
CICS Business Transaction Services domain
BR
Bridging to 3270 transactions
CA
RDO command utility routine
CC
CICS catalog domain (local and global)
CE
Sign on program component
CF
CICS coupling facility data tables server
CP
CPI Communications component
CQ
CQ console messages
CR
ISC remote scheduler component
CZ
CICS class libraries domain
DB
CICS database control component
DD
Directory manager
DH
Document handler component
DM
Domain manager domain
DP
Debugging profile domain
DS
Dispatcher domain
DU
Dump domain
DX
CICS database control component
EJ
Enterprise Java domain
EM
Event Manager domain
ER
User backout program
EX
External CICS interface
FC
File control component
FE
FE terminal test program component
IC
Interval control program
IE
IP ECI domain
IN
Indoubt testing tool
IR
Interregion component
IS
Intersystem component
JC
Online journal control component
KC
Transaction/profile manager
KE
Kernel domain
LD
Loader domain
LG
Logger domain
LM
Lock manager domain
MC
BMS message control program component
ME
Message domain
MN
Monitor domain
MQ
WebSphere MQ domain
MV
MVS RESMGR exit stub
NC
Named counter sequence number server
NQ
Enqueue manager domain
OT
Object Transaction Services domain
PA
Parameter manager domain
PC
Program control program component
PD
Print dump exit routine DFHPDX
PG
Program manager domain
PI
Pipeline manager domain
PR
Partner resource manager
PS
System spooler interface control module component
RD
RDO allocation manager
RL
Resource lifecycle manager domain
RM
Recovery manager
RP
CICS ONC RPC
RS
Communications resynchronization program
RT
ISC transaction routing component
RU
Recovery utility program
RX
RRS-coordinated EXCI domain
RZ
Request Streams domain
SH
Scheduler domain
SI
System initialization component
SJ
Scaleable Java domain
SK
Sub task control program component
SM
Storage manager domain
SN
Signon component
SO
CICS Sockets domain
SR
System recovery component
ST
Statistics domain
SZ
Front end programming interface (FEPI)
TC
Terminal control program component
TD
Transient data component
TF
Terminal facility manager
TI
Timer domain
TM
System termination program component
TO
Terminal object resolution program component
TP
BMS terminal page retrieval program component
TR
Trace domain
TS
Temporary storage domain
UP
Measured usage license charging support macro
US
User domain
WB
CICS Web support domain
W2
Web 2.0 domain
XA
XRF alternate component
XC
XRF CICS availability manager
XG
XRF general component
XM
Transaction manager
XO
XRF CICS availability manager
XQ
Shared temporary storage queue pool server
XS
CICS security component
ZC
Terminal control working set component
ZE
TCP error message writer component
ZN
Syncpoint component