You can define system initialization parameters to CICS® in a number of ways. All the system initialization parameters are listed, together with how they can be specified to CICS and their default values.
Parameter | PARM | SYSIN | System console | DFHSIT | Default value | Description |
---|---|---|---|---|---|---|
ADI | YES | YES | YES | YES | 30 | XRF(B) - Alternate delay interval |
AIBRIDGE | YES | YES | YES | YES | AUTO | Bridge Autoinstall URM |
AICONS | YES | YES | YES | YES | NO | No autoinstall for MVS™ CONSOLES |
AIEXIT | YES | YES | YES | YES | DFHZATDX | Autoinstall user program name |
AILDELAY | YES | YES | YES | YES | 0 | Delete delay period for AI terminals |
AIQMAX | YES | YES | YES | YES | 100 | Maximum number of terminals queued for AI |
AIRDELAY | YES | YES | YES | YES | 700 | Restart delay period for AI terminals |
AKPFREQ | YES | YES | YES | YES | 4000 | Activity keypoint frequency |
APPLID | YES | YES | YES | YES | DBDCCICS | z/OS® Communications Server APPL identifier |
AUTCONN | YES | YES | YES | YES | 0 | Autoconnect delay |
AUTODST | YES | YES | YES | YES | NO | Language Environment® automatic storage tuning |
AUTORESETTIME | YES | YES | YES | YES | IMMEDIATE | Time-of-day synchronization |
AUXTR | YES | YES | YES | YES | OFF | Auxiliary trace option |
AUXTRSW | YES | YES | YES | YES | NO | Auxiliary trace autoswitch facility |
BMS | YES | YES | YES | YES | FULL, UNALIGN, DDS | Basic Mapping Support options |
BRMAXKEEPTIME | YES | YES | YES | YES | 86400 | Bridge Max Keeptime |
CDSASZE | YES | YES | YES | NO | 0 | The size of CDSA |
CHKSTRM | YES | YES | YES | NO | NONE | Activation of terminal storage-violation checking |
CHKSTSK | YES | YES | YES | NO | NONE | Activation of task storage-violation checking |
CICSSVC | YES | YES | YES | YES | 216 | The CICS SVC number |
CILOCK | YES | YES | YES | YES | NO | Do not keep CI lock after read update |
CLINTCP | YES | YES | YES | YES | 437 | Default client code page |
CLSDSTP | YES | YES | YES | YES | NOTIFY | Notification for ISSUE PASS command |
CLT | YES | YES | YES | YES | No default | The command list table option or suffix |
CMDPROT | YES | YES | YES | YES | YES | Exec storage command checking |
CMDSEC | YES | YES | NO | YES | ASIS | API command security checking |
CONFDATA | YES | YES | NO | YES | SHOW | Show confidential data in dump and trace |
CONFTXT | YES | YES | NO | YES | NO | Do not prevent z/OS Communications Server tracing user data |
CPSMCONN | YES | YES | YES | YES | NO | Do not connect to CPSM |
CRLPROFILE | YES | YES | YES | YES | No default | Name of profile that allows CICS to access certificate revocation lists |
CSDACC | YES | YES | YES | YES | READWRITE | CSD access |
CSDBKUP | YES | YES | YES | YES | STATIC | Backup type of CSD (STATIC or DYNAMIC) |
CSDBUFND | YES | YES | YES | YES | No default | Number of data buffers for the CSD |
CSDBUFNI | YES | YES | YES | YES | No default | Number of index buffers for the CSD |
CSDDISP | YES | YES | YES | YES | No default | CSD disposition for dynamic allocation |
CSDDSN | YES | YES | YES | YES | No default | CSD data set name for dynamic allocation |
CSDFRLOG | YES | YES | YES | YES | NO | Journal ID for CSD forward recovery |
CSDINTEG | YES | YES | YES | YES | UNCOMMITTED | Read integrity = uncommitted |
CSDJID | YES | YES | YES | YES | NO | Journal ID for CSD auto journaling |
CSDLSRNO | YES | YES | YES | YES | 1 | The VSAM LSR pool number for the CSD |
CSDRECOV | YES | YES | YES | YES | NONE | CSD recoverable file option |
CSDRLS | YES | YES | YES | YES | NO | Use traditional VSAM |
CSDSTRNO | YES | YES | YES | YES | 6 | CSD number of strings |
CWAKEY | YES | YES | YES | YES | USER | CWA storage key |
DAE | YES | YES | YES | YES | NO | SDUMPS are not suppressed by DAE |
DATFORM | YES | YES | YES | YES | MMDDYY | CSA date format |
DB2CONN | YES | YES | YES | YES | NO | Do not connect to DB2® at CICS startup |
DBCTLCON | YES | YES | YES | YES | NO | Do not connect to DBCTL at CICS start |
DEBUGTOOL | YES | YES | YES | YES | NO | No Debugging Tool access |
DFLTUSER | YES | YES | NO | YES | CICSUSER | Default user |
DIP | YES | YES | YES | YES | NO | Batch data interchange program |
DISMACP | YES | YES | YES | YES | YES | Disable macro programs |
DOCCODEPAGE | YES | YES | YES | YES | 037 | Default host code page |
DSALIM | YES | YES | YES | YES | 5M | Upper limit of DSA below 16 MB line |
DSHIPIDL | YES | YES | YES | YES | 020000 | Delete shipped idle time |
DSHIPINT | YES | YES | YES | YES | 120000 | Delete shipped interval |
DSRTPGM | YES | YES | YES | YES | NONE | Distributed routing program |
DTRPGM | YES | YES | YES | YES | DFHDYP | Dynamic routing program |
DTRTRAN | YES | YES | YES | YES | CRTX | Default dynamic transaction routing transid |
DUMP | YES | YES | YES | YES | YES | Dump option |
DUMPDS | YES | YES | YES | YES | AUTO | CICS dump data set opening option |
DUMPSW | YES | YES | YES | YES | NO | Dump data set autoswitch option |
DURETRY | YES | YES | YES | YES | 30 | SDUMP total retry time (in seconds) |
ECDSASZE | YES | YES | YES | NO | 0 | Size of the ECDSA |
EDSALIM | YES | YES | YES | YES | 800M | Upper limit of DSA in 31-bit storage |
ENCRYPTION | YES | YES | YES | YES | STRONG | Level of encryption for TLS |
EODI | YES | YES | YES | YES | E0 | End-of-data indicator for sequential devices |
ERDSASZE | YES | YES | YES | NO | 0 | Size of the ERDSA |
ESDSASZE | YES | YES | YES | NO | 0 | Size of the ESDSA |
ESMEXITS | NO | NO | NO | YES | NOINSTLN | External security manager exits |
EUDSASZE | YES | YES | YES | NO | 0 | Size of the EUDSA |
FCT | YES | YES | YES | YES | NO | File control table option or suffix |
FCQRONLY | YES | YES | YES | YES | YES | Threadsafe FC runs on QR TCB |
FEPI | YES | YES | YES | YES | NO | Front-End Programming Interface |
FLDSEP | YES | YES | YES | YES | ' ' (4 blanks) | End-of-field separator characters |
FLDSTRT | YES | YES | YES | YES | ' ' (1 blank) | Field start character for built-in function |
FORCEQR | YES | YES | YES | YES | NO | Do not force QR for threadsafe programs |
FSSTAFF | YES | YES | YES | YES | NO | Function-shipped START affinity option |
FTIMEOUT | YES | YES | YES | YES | 30 | File timeout 30 seconds |
GMTEXT | YES | YES | YES | YES | 'WELCOME TO CICS' | Good-morning message text |
GMTRAN | YES | YES | YES | YES | CSGM | Initial transaction |
GNTRAN | YES | YES | YES | YES | NO | Signoff transaction |
GRNAME | YES | YES | YES | YES | No default | Generic resource name for CICS TORs |
GRPLIST | YES | YES | YES | YES | DFHLIST | List name of CSD groups for startup |
GTFTR | YES | YES | YES | YES | OFF | GTF trace option |
HPO | NO | NO | NO | YES | NO | z/OS Communications Server High Performance Option (HPO) |
ICP | YES | YES | YES | YES | COLD | Interval control program start option |
ICV | YES | YES | YES | YES | 1000 | Region exit interval (milliseconds) |
ICVR | YES | YES | YES | YES | 5000 | Runaway task interval (milliseconds) |
ICVTSD | YES | YES | YES | YES | 0 | Terminal scan delay interval |
INFOCENTER | YES | YES | YES | YES | No default | The server name of where the CICS Information Center is installed and the port number that it uses to run in server mode |
INITPARM | YES | YES | YES | YES | No default | Initialization parameters for programs |
INTTR | YES | YES | YES | YES | ON | CICS internal trace option |
IRCSTRT | YES | YES | YES | YES | NO | Interregion communication start |
ISC | YES | YES | YES | YES | NO | Intersystem communication option |
JESDI | YES | YES | YES | YES | 30 | JES delay interval for XRF alternate |
JVMPROFILEDIR | YES | YES | YES | YES | /usr/lpp/cicsts /cicsts51/JVMProfiles | JVM profile directory |
KEYRING | YES | YES | YES | YES | No default | Key ring to be used by SSL support |
LGDFINT | YES | YES | YES | YES | 5 | Log defer interval in Log Manager |
LGNMSG | YES | YES | YES | YES | NO | Extract z/OS Communications Server logon data |
LLACOPY | YES | YES | YES | YES | YES | Use MVS LLACOPY support |
LOCALCCSID | YES | YES | YES | YES | 037 | The default CCSID for the local region |
LPA | YES | YES | YES | YES | NO | Use LPA option for CICS/user modules |
MAXSOCKETS | YES | YES | YES | YES | 65535 | Maximum number of IP sockets |
MAXSSLTCBS | YES | YES | YES | YES | 8 | Limit on number of SSL TCBs |
MCT | YES | YES | YES | YES | NO | Monitoring control table option or suffix |
MN | YES | YES | YES | YES | OFF | CICS monitoring option |
MNCONV | YES | YES | YES | YES | NO | Monitoring converse recording option |
MNEXC | YES | YES | YES | YES | OFF | Monitoring exception class option |
MNFREQ | YES | YES | YES | YES | 0 | Monitoring frequency period |
MNIDN | YES | YES | YES | YES | OFF | Monitoring identity class option |
MNPER | YES | YES | YES | YES | OFF | Monitoring performance class option |
MNRES | YES | YES | YES | YES | OFF | Monitoring resource class option |
MNSYNC | YES | YES | YES | YES | NO | Monitoring syncpoint recording option |
MNTIME | YES | YES | YES | YES | GMT | Monitoring timestamp (GMT or LOCAL) |
MQCONN | YES | YES | YES | YES | NO | Do not connect to WebSphere MQ at startup |
MROBTCH | YES | YES | YES | YES | 1 | Number of MRO requests to batch |
MROFSE | YES | YES | YES | YES | NO | Extend lifetime of long-running mirror |
MROLRM | YES | YES | YES | YES | NO | Long-running mirror task option |
MSGCASE | YES | YES | YES | YES | MIXED | CICS messages in mixed case |
MSGLVL | YES | YES | YES | YES | 1 | System console MSG level option |
MXT | YES | YES | YES | YES | 500 | Maximum number of tasks in CICS |
NATLANG | YES | YES | YES | YES | E | List of national languages |
NCPLDFT | YES | YES | YES | YES | DFHNC001 | Named counter default pool name |
NEWSIT | YES | YES | YES | NO | NO | Load a specified SIT and enforce use of all system initialization parameters |
NONRLSRECOV | YES | YES | YES | YES | VSAMCAT | Select location of recovery options for non-RLS files |
OFFSITE | YES | YES | YES | NO | NO | Restart in off-site recovery mode |
OPERTIM | YES | YES | YES | YES | 120 | Write to operator timeout (seconds) |
OPNDLIM | YES | YES | YES | YES | 10 | OPNDST/CLSDST request limit |
PARMERR | YES | YES | YES | YES | INTERACT | System initialization parameter errors option |
PDI | YES | YES | YES | YES | 30 | Primary delay interval - XRF active |
PDIR | YES | YES | YES | YES | NO | DL/I PSB directory option or suffix |
PGAICTLG | YES | YES | YES | YES | MODIFY | PG autoinstall catalog state |
PGAIEXIT | YES | YES | YES | YES | DFHPGADX | PG autoinstall exit program |
PGAIPGM | YES | YES | YES | YES | INACTIVE | PG autoinstall state |
PGCHAIN | YES | YES | YES | YES | No default | BMS CHAIN command |
PGCOPY | YES | YES | YES | YES | No default | BMS COPY command |
PGPURGE | YES | YES | YES | YES | No default | BMS PURGE command |
PGRET | YES | YES | YES | YES | No default | BMS RETURN command |
PLTPI | YES | YES | YES | YES | NO | Program list table PI option or suffix |
PLTPISEC | YES | YES | NO | YES | NONE | No PLT security checks on PI programs |
PLTPIUSR | YES | YES | NO | YES | No default | PLT PI user ID = CICS region user ID |
PLTSD | YES | YES | YES | YES | NO | Program list table SD option or suffix |
PRGDLAY | YES | YES | YES | YES | 0 | BMS purge delay interval |
YES | YES | YES | YES | NO | Print key option | |
PRTYAGE | YES | YES | YES | YES | 1000 | Dispatcher priority aging value |
PRVMOD | YES | YES | YES | NO | No default | Names of modules that are not to be used from the LPA |
PSBCHK | YES | YES | NO | YES | NO | PSB resource checking required |
PSDINT | YES | YES | YES | YES | 0 | Persistent session delay interval |
PSTYPE | YES | YES | YES | YES | SNPS | z/OS Communications Server single node persistent Sessions |
PVDELAY | YES | YES | YES | YES | 30 | Timeout value for LUIT table |
QUIESTIM | YES | YES | YES | YES | 240 | Timeout value for quiesce requests |
RACFSYNC | YES | YES | NO | YES | YES | Listen for type 71 ENF events |
RAMAX | YES | YES | YES | YES | 256 | Maximum I/O area for RECEIVE ANY |
RAPOOL | YES | YES | YES | YES | 50 | Maximum RECEIVE ANY request parm. lists |
RDSASZE | YES | YES | YES | NO | 0 | Size of the RDSA |
RENTPGM | YES | YES | YES | YES | PROTECT | Reentrant program write protection |
RESP | YES | YES | YES | YES | FME | Logical unit response type |
RESSEC | YES | YES | NO | YES | ASIS | Resource security check |
RLS | YES | YES | YES | YES | NO | RLS option |
RLSTOLSR | YES | YES | YES | YES | NO | RLS files in LSRPOOL build calculation |
RMTRAN | YES | YES | YES | YES | CSGM | XRF alternate recovery transaction |
RRMS | YES | YES | YES | YES | NO | Recoverable resource management services |
RST | YES | YES | YES | YES | NO | Recovery service table (XRF-DBCTL) |
RSTSIGNOFF | YES | YES | YES | YES | NOFORCE | XRF - Re-sign on after takeover |
RSTSIGNTIME | YES | YES | YES | YES | 500 | XRF - sign off timeout value |
RUWAPOOL | YES | YES | YES | YES | NO | Allocating storage pool for Language Environment |
SDSASZE | YES | YES | YES | NO | 0 | Size of the SDSA |
SDTRAN | YES | YES | YES | YES | CESD | Shutdown transaction |
SEC | YES | YES | NO | YES | YES | External security manager option |
SECPRFX | YES | YES | NO | YES | NO | Security prefix |
SECVFYFREQ | YES | YES | NO | YES | NEVER | Frequency of full verification requests for user IDs |
SIT | YES | YES | YES | NO | No default | Suffix of the system initialization table that you want loading at the start of system initialization |
SKRxxxx | YES | YES | YES | YES | No default | Single keystroke retrieval operation required |
SNSCOPE | YES | YES | NO | YES | NONE | Multiple CICS sessions per user ID |
SPCTR | YES | YES | YES | YES | (1,2) | Levels of special tracing required for CICS as a whole |
SPCTRxx | YES | YES | YES | NO | (1,2) | The level of special tracing for a particular CICS component used by a transaction, terminal, or both |
SPOOL | YES | YES | YES | YES | NO | System spooling interface option |
SRBSVC | YES | YES | YES | YES | 215 | HPO Type 6 SVC number |
SRT | YES | YES | YES | YES | 1$ | System recovery table option or suffix |
SRVERCP | YES | YES | YES | YES | 037 | Default server code page to be used by the DFHCNV data conversion table (if the SRVERCP parameter in the DFHCNV macro is set to SYSDEF) |
SSLCACHE | YES | YES | YES | YES | CICS | SSL session ID caching |
SSLDELAY | YES | YES | YES | YES | 600 | SSL timeout value |
START | YES | YES | YES | YES | AUTO | CICS system initialization option |
STARTER | NO | NO | NO | YES | YES | Starter ($ and #) suffixes option Note: The default
is NO but the parameter must be set to YES here to enable the SIT
to assemble correctly.
|
STATEOD | YES | YES | YES | YES | 0 | Statistics end-of-day time |
STATINT | YES | YES | YES | YES | 010000 | Statistics interval time |
STATRCD | YES | YES | YES | YES | OFF | Statistics recording status |
STGPROT | YES | YES | YES | YES | NO | Storage protection facility |
STGRCVY | YES | YES | YES | YES | NO | Storage recovery option |
STNTR | YES | YES | YES | YES | 1 | Level of standard tracing required for CICS as a whole |
STNTRxx | YES | YES | YES | NO | 1 | Level of standard tracing you require for a particular CICS component |
SUBTSKS | YES | YES | YES | YES | 0 | Number of concurrent mode TCBs |
SUFFIX | NO | NO | NO | YES | $$ | Suffix of this SIT |
SYDUMAX | YES | YES | YES | YES | 999 | Number of SYSDUMPS to be taken |
SYSIDNT | YES | YES | YES | YES | CICS | Local system identifier |
SYSTR | YES | YES | YES | YES | ON | Master system trace flag |
TAKEOVR | YES | YES | YES | YES | MANUAL | XRF alternate takeover option |
TBEXITS | YES | YES | YES | YES | No default | Backout exit programs |
TCP | YES | YES | YES | YES | YES | Terminal control program option or suffix |
TCPIP | YES | YES | YES | YES | NO | TCP/IP support |
TCSACTN | YES | YES | YES | YES | NONE | TC Shutdown action |
TCSWAIT | YES | YES | YES | YES | 4 | TC Shutdown wait |
TCT | YES | YES | YES | YES | NO | Terminal control table option or suffix |
TCTUAKEY | YES | YES | YES | YES | USER | TCT user area storage key |
TCTUALOC | YES | YES | YES | YES | ANY | TCT user area ANY |
TD | YES | YES | YES | YES | (3,3) | Transient data buffers and strings |
TDINTRA | YES | YES | YES | YES | NOEMPTY | Initial state of transient data queues |
TRANISO | YES | YES | YES | YES | NO | Transaction Isolation |
TRAP | YES | YES | YES | YES | OFF | F.E. global trap exit option |
TRDUMAX | YES | YES | YES | YES | 999 | Number of TRANDUMPS to be taken |
TRTABSZ | YES | YES | YES | YES | 4096 | Internal trace table size in 1K bytes |
TRTRANSZ | YES | YES | YES | YES | 1024 | Transaction dump trace table size |
TRTRANTY | YES | YES | YES | YES | TRAN | Transaction dump trace option |
TS | YES | YES | YES | YES | (3,3) | Temporary storage buffers and strings |
TSMAINLIMIT | YES | YES | YES | YES | 64M | Upper limit of storage for TS main queues |
TST | YES | YES | YES | YES | NO | Temporary storage table option or suffix |
UDSASZE | YES | YES | YES | NO | 0 | Size of the UDSA |
UOWNETQL | YES | YES | YES | YES | No default | Qualifier for NETUOWID |
USERTR | YES | YES | YES | YES | ON | Master user trace flag |
USRDELAY | YES | YES | YES | YES | 30 | Timeout value for user directory entries |
USSCONFIG | YES | YES | YES | YES | /var/cicsts | The name and path of the root directory for CICS configuration files on z/OS UNIX |
USSHOME | YES | YES | YES | YES | /usr/lpp/cicsts/cicsts51 | The name and path of the root directory for CICS files on z/OS UNIX |
VTAM | YES | YES | YES | YES | YES | z/OS Communications Server access method option |
VTPREFIX | YES | YES | YES | YES | \ | Client virtual terminal prefix |
WEBDELAY | YES | YES | YES | YES | (5,60) | Web timer values |
WRKAREA | YES | YES | YES | YES | 512 | Common work area (CWA) size in bytes |
XAPPC | YES | YES | NO | YES | NO | RACF® class APPCLU required |
XCFGROUP | YES | YES | YES | YES | DFHIR000 | XCF group to use for MRO communications |
XCMD | YES | YES | NO | YES | YES | SPI use default name for RACF check |
XDCT | YES | YES | NO | YES | YES | Security check for transient data queues |
XDB2 | YES | YES | YES | YES | NO | Security check for DB2ENTRY resources |
XFCT | YES | YES | NO | YES | YES | Security check for files |
XHFS | YES | YES | NO | YES | YES | Security check for z/OS UNIX files |
XJCT | YES | YES | NO | YES | YES | Security check for journals |
XLT | YES | YES | YES | YES | NO | Transaction list table option or suffix |
XPCT | YES | YES | NO | YES | YES | Security check for started transactions |
XPPT | YES | YES | NO | YES | YES | Security check for programs |
XPSB | YES | YES | NO | YES | YES | Security check for DL/I PSBs |
XPTKT | YES | YES | NO | YES | NO | Security check for PassTicket |
XRES | YES | YES | NO | YES | YES | For resources subject to XRES security, checks use the default name for the RACF check. For a list of resources subject to XRES security checks, see Resource and command check cross-reference. |
XRF | YES | YES | YES | YES | NO | Extended recovery feature (XRF) option |
XTRAN | YES | YES | NO | YES | YES | Security check for transaction-attach |
XTST | YES | YES | NO | YES | YES | Security check for temporary storage queues |
XUSER | YES | YES | NO | YES | YES | Surrogate user checking to be done |