Preventive Service Planning
Abstract
This document contains a summary of each closed APAR for IBM MQ 9.4.0 for z/OS. A Comma Separated Values (CSV) file containing all the fields for each APAR is also included as an attachment. This CSV file can be used to import the list of APARs into a spreadsheet or database.
Content
See CSV file usage hints and tips for a full description of each of the columns contained in the file such as RSU level and HIPER flags as well as information on how to use the CSV file with Microsoft Excel or Lotus spreadsheets.
Click on a PTF number to download that PTF. You will need an IBMID. Latest update: 17 November 2025
| APAR | CLOSE DATE | PTF(s) | Fixing APAR if PE | HIPER? | Abstract |
|---|---|---|---|---|---|
IBM WebSphere MQ for z/OS V9.4.0 | |||||
22_Oct | CUMULATIVE SECURITY UPDATE 9.4.0.16 FOR THE JMS, MFT, AND WEB UI FEATURES OF IBM MQ FOR Z/OS VERSION 9.4.0. | ||||
17_Oct | STATQ(ON) RESET TO OFF WITH FALLBACK AND REMIGRATE | ||||
17_Oct | USER REPORTS UNEXPECTED VALUES ARE RETURNED TO AN IMS APPLICATION CAUSING UNPREDICTABLE RESULTS | ||||
16_Oct | MQ Z/OS: ABN= 0C4-00000011 IN CSQ5MGX0 | ||||
16_Oct | HIPER
| RECOVER CFSTRUCT INCOMPLETE RECOVERY WHEN IGVDGNPP IS ACTIVE | |||
16_Oct | MQ PANEL DISPLAYS THE INCORRECT CHANNEL STATUS | ||||
16_Oct | HIPER
| FAILED-PERSISTENT CONNECTIONS TO CSQ_ADMIN STRUCTURE | |||
19_Sep | CSQY224I CSQSCTL QUEUE MANAGER IS SHORT OF LOCAL STORAGE ABOVE THE BAR AND CSQY225E CSQSCTL QUEUE MANAGER IS CRITICALLY SHORT | ||||
16_Sep | ABN=0C4-00000038,U=XXXXXXXX,C=MQ900.920.MMC -CSQMSUBI,M=CSQGFRCV,LOC=CSQTOPLM.CMQXKTPT+OFFSET | ||||
4_Sep | CUMULATIVE MAINTENANCE FIXPACK 9.4.0.15 FOR THE JMS, MFT, AND WEB UI FEATURES OF IBM MQ FOR Z/OS VERSION 9.4.0. | ||||
28_Aug | MQ REASON CODE 2018 (MQRC_HCONN_ERROR) RETURNED ON AN MQCONNX CALL | ||||
27_Aug | CSQX620E CPF CSQXRCTL SYSTEM SSL ERROR, CHANNEL CHANNEL-NAME CONNECTION CONN-ID FUNCTION 'GSK_SECURE_SOCKET_INIT' RC=516 | ||||
27_Aug | ERRORS IN CLASS 3 ACCOUNTING FOR MQPUT1 TO A TOPIC | ||||
26_Aug | NO WARNING IS PROVIDED WHEN DUPLICATE CLUSTER RECIEVER CHANNELS ARE CREATED WITH A MISMATCHED QUEUE MANAGER NAME | ||||
26_Aug | ABN=0C4-00000011,U=XXXXXXXX,C=MQ900.930.CFM -CSQESTAT,M=CSQGFRCV,LOC=CSQELPLM.CSQESTAT+OFFSET | ||||
20_Aug | IBM MQ Z/OS: IMPROVE PAGE SET OUT-OF-RANGE RBA CHECKING | ||||
20_Aug | MQ INCONSISTENT STATE FOLLOWING A CRESTART | ||||
20_Aug | MQ 940: 0C4-04 ABEND IN AMS DURING QMGR TERMINATION FROM CF CONN LOSS | ||||
20_Aug | MQ Z/OS V9.4.0: ABEND0C4 IN LOAD MODULE CSQAVICM CSECT CSQAIVS6 DURING DATA CONVERSION FOR FORMAT MQIMSVS | ||||
19_Aug | ABN=5C6-00D4F001,U=WMQOPC ,C=MQ900.931.MMC -CSQMOVAL,M=CSQGFRCV,LOC=CSQMLPLM.CSQMOVAL+000048F2 | ||||
7_Aug | CSQX514E - CHANNEL FAILING TO ADOPT | ||||
6_Aug | ABN=0C4-00000038, C=MQ900.930.SMC -CSQSHFMN,M=CSQGFRCV,LOC=CSQSLD1 .CSQSHFMN+0000059C | ||||
5_Aug | BROWSE-LOCKED UNCOMMITTED MESSAGES IN SHARED QUEUE | ||||
1_Aug | HIGH NUMBER OF CSQSNAP AND SVC DUMPS SINCE UPGRADING TO MQ V9.4 LTS | ||||
1_Aug | CSQUTIL RESETPAGE TERMINATES WITH CSQU151I NO MATCHING ... DD STATEMENTS. | ||||
30_Jul | MQ Z/OS: THE COMMAND PROCESSOR AND OTHER THREADS ARE HUNG DUE TO A LATCH HELD DURING A LOOPING MQOPEN FOR A SHARED QUEUE | ||||
30_Jul | HIPER
| MQ ABEND S5C6-00D10348 ABEND AND CORRUPTED ACTIVE LOG | |||
16_Jul | APPLICATION PCF REQUEST RESET QSTATS FAILS WITH COMPLETION CODE 2, REASON 3014 | ||||
14_Jul | SMF 116 TYPE 10 FIELD QCSTSLCS RETURNS 0 IF SSLCIPH IS SET AS AN ALIAS CIPHERSPEC (E.G. ANY*) | ||||
4_Jul | HIPER
| MQ Z/OS: ABN=5C6-00C94200 IN CSQIRRSI+00000C80 WITH A MIXTURE OF BATCH AND RRSBATCH STUBS IN A DB2 STORED PROCEDURE | |||
4_Jul | HIPER
| WITHIN A QUEUE SHARING QUEUE MQ TERMINATES AFTER ABEND5C6 REASON CODE 00C5101D IS GENERATED. | |||
4_Jul | MQ Z/OS: MISLEADING CSQX630E WHEN CHINIT TERMINATING ALL ITS CHANNELS | ||||
3_Jul | MQ Z/OS: RFH2 HEADER IS NOT REMOVED WITH PROPCTL(NONE) DUE TO A DATA CONVERSION FAILURE | ||||
3_Jul | HIPER
| ISSUE WITH MESSAGE EXPIRY ON SHARED QUEUES WITH CUSTOM CAPEXPRY VALUE AFTER MIGRATION TO V9.4 | |||
3_Jul | DUMP TITLE: ABEND=S0C78,RC=00000088,COMPON=PKI-SERVICES,ISSUER=ESTEXIT,COMPID=5655-MQ900,PKI SERVICES ESTAE | ||||
2_Jul | INCORRECT SYNCPOINT ISSUE FOR SYSTEM.RETAINED.PUB.QUEUE | ||||
27_Jun | ABN= 5C6-00E7000F,C=MQ900.940.CHIN ,LOC=CSQXJST .CSQXBADF+OFFSET | ||||
18_Jun | HIPER
| MQRC_EXPIRY_ERROR WITH QSGDISP(SHARED) QUEUES WHICH ARE IN A CLUSTER | |||
16_Jun | CUMULATIVE SECURITY UPDATE 9.4.0.12 FOR THE JMS, MFT, AND WEB UI FEATURES OF IBM MQ FOR Z/OS VERSION 9.4.0. | ||||
12_Jun | MQ Z/OS: 0C4-00000011 ABEND IN CSQMSET | ||||
30_May | HIPER
| MQ Z/OS: SMDS CONNECTION IN A QSG CAN ABEND AND TAKE HOURS TO COMPLETE IN CERTAIN CIRCUMSTANCES WITH PH46037 | |||
30_May | ABEND 0C4 IN CSQ1LOGP | ||||
30_May | HIPER
| CUSTOM(CAPEXPRY) BEING PICKED UP AND USED | |||
29_May | IBM MQ Z/OS PROVIDE ADDITIONAL DIAGNOSTIC INFORMATION CAPTURED IN PLR PROCESSING | ||||
23_May | IBM MQ Z/OS: SERVICEABILITY IMPROVEMENTS FOR THE RECOVER QMGR COMMAND | ||||
23_May | CSQ1LOGP EXTRACT "NULL" QMGR FIELD "CSQMGRNAME" | ||||
15_May | WHEN GTF TRACING IS ENABLED IT IS POSSIBLE TO SEE MULTIPLE DIFFERENT ABENDS, INCLUDING S0F8-00000014 AND S5C6-00E7014F | ||||
15_May | THIS IS AN ADMINISTRATIVE APAR TO REPACKAGE THE FIX FOR PH64365 | ||||
12_May | MQSTAT CALL RETURNS RESULTS OF EARLIER MQI CALLS EVEN AFTER PREVIOUS CONNECTION HAS ALREADY ENDED | ||||
8_May | ABN=602-00000000,U=XXXXXXXX,C=MQ900.920.MMC -CSQM1P1W,M=CSQGFRCV,PSW=XXXXXXXXXXXXXXXX,ASID=XXXX | ||||
8_May | HIPER
| IBM MQ Z/OS QUEUE MANAGER ISSUED S026 ABENDS AND TERMINATED ABNORMALLY WITH REASON=00C510AB | |||
8_May | IBM MQ Z/OS: MISSING GLOBAL TRACE ENTRIES FOR LOOPING THREADS | ||||
8_May | IBM MQ Z/OS:CSQDQWST INCORRECTLY CHECKS THE &CSQDQIS1, &CSQDQPST AND &CSQDQQST SYMBOLS | ||||
8_May | AFTER MIGRATION TO MQ 9.4 CSQ4BCX3 RETURNS UNEXPECTED MQRC FOR MQCONN CALL | ||||
7_May | IBM MQ Z/OS: CSQY039I IS ERRONEOUSLY ISSUED WHEN FORWARD MIGRATING | ||||
30_Apr | GB18030-2022 SUPPORT ON MQ FOR Z/OS | ||||
PH65849 | 29_Apr | HIPER
| Description not available. Security/Integrity exposure | ||
25_Apr | CUMULATIVE SECURITY UPDATE 9.4.0.11 FOR THE JMS, MFT, AND WEB UI FEATURES OF IBM MQ FOR Z/OS VERSION 9.4.0. | ||||
22_Apr | ABN= 0C4-00000004,C=MQ900.940.CHIN,M=CSQXESTX,LOC=CSQXRCTL.CSQXRFXC+OFFSET | ||||
15_Apr | S0C4-00000010 ABEND IN LOAD MODULE CSQXBNTM WHEN CHIN TRACE IS ENABLED | ||||
14_Apr | AUTO-DEFINED XMITQ NOT REMOVED CORRECTLY WHEN REMOVING A QMGR FROM A CLUSTER | ||||
14_Apr | LOCK CONTENTION ON SHARED QUEUE REACHES POINT WHERE QUEUE UPDATES EXTREMELY SLOW. | ||||
10_Apr | SAMPLE STARTED TASK PROCEDURE MEMBERS CSQ4MSTR AND CSQ4MSRR SHOULD BE UPDATED NOW THAT THE RECOMMENDATION IS TO USE MEMLIMIT=3G | ||||
28_Mar | HIPER
| DUMP TITLE= ABN=5C6 00E20045 U=,C=MQ900.940.DMC - CSQICRE2 ,M=CSQGFRCV,LOC=CSQILPLM. CSQICRE2 +000006E0 | |||
27_Mar | HIPER
| IBM MQ Z/OS: CSQX053E CSQSNAP XFFSXCSFREEOWNEDBUFFERS OWNERS DIDN'T FREE THEIR BUFFERS | |||
27_Feb | CUMULATIVE MAINTENANCE FIXPACK 9.4.0.10 FOR THE JMS, MFT, AND WEB UI FEATURES OF IBM MQ FOR Z/OS VERSION 9.4.0. | ||||
26_Feb | ABEND5C6 00E70546 CSQFMSGC +00580 | ||||
20_Feb | CSQX036E IS ONLY ISSUED ONCE DURING CLUSTER RECONCILIATION, EVEN IF THE OPEN FAILS FOR MULTIPLE QUEUES. | ||||
7_Feb | A QUEUE MANAGER WITH AN INVALID CHLAUTH RULE ADDRESS PARAMETER PREDEFINED BEFORE PH59144 WILL NOT START AF 24/12/23 PTF PECHANGE | ||||
7_Feb | ABN=5C6-00C92200 CSQIMPU2 | ||||
6_Feb | IBM MQ Z/OS: CSQU541E RC=00000004 WITH CSQUZAP ARRAYDB2 FUNCTION | ||||
6_Feb | HIPER
| MQI APPLICATION PERFORMANCE DEGRADATION FOLLOWING APPLICATION OF APAR PH60591 25/01/16 PTF PECHANGE | |||
6_Feb | HIPER
| ADMIN STRUCTURE RECOVERY SKIPPED FOR PEER QUEUE MANAGERS WITHOUT XCF DATA | |||
24_Jan | HIPER
| CSQYASCP TERMINATES WITH ABEND S0C1 FOLLOWING RECOVERY ERROR DURING QUEUE MANAGER SHUTDOWN | |||
13_Dec | IBM MQ Z/OS: A TIMING ISSUE WITH SHARED CHANNEL ADOPTION IN THE IGQ ENVIRONMENT | ||||
13_Dec | HIPER
| ABEND5C6 00E70054 | |||
13_Dec | FIELDS IN THE WTID SMF DATA CAN BE BLANK | ||||
12_Dec | CSQU568E QMGR NUMBER MISMATCH FOR QMGR XXXX: DB2 VALUE=1, XCF MEMBER VALUE=0, CSQ_ADMIN CONNECTION VALUE=0, SMDS GROUP VALUE=-1 | ||||
11_Dec | ISSUE WITH MQGMO_WAIT OR MQGMO_SET_SIGNAL MQGET ON A SHARED QUEUE WHEN SYSPPSTDPTHSQ IS ENABLED | ||||
PH63961 | 11_Dec | Description not available. Security/Integrity exposure | |||
PH64492 | 11_Dec | Description not available. Security/Integrity exposure | |||
PH62735 | 18_Nov | Description not available. Security/Integrity exposure | |||
8_Nov | HIPER
| IBM MQ Z/OS :ABEND 5C6-00E2000D RESULTED IN QUEUE MANAGER ABNORMAL TERMINATION REASON=00F30801 | |||
6_Nov | 10 SECONDS DELAY IN THREADS WHEN QUERYING THE CLUSTER CACHE WHILE CLUSTER REPOSITORY GARBAGE COLLECTION IS RUNNING | ||||
5_Nov | IBM MQ Z/OS: THERE IS A DELAY OF SEVERAL SECONDS IN RESTARTING SHARED SENDER CHANNELS | ||||
PH60591 | 4_Nov | Description not available. Security/Integrity exposure | |||
30_Oct | CSQX111E USER CHANNEL EXIT ABENDS U4000-00007202; CSQX112E S0C8 FOR CHANNEL/S IN TCB | ||||
PH63755 | 28_Oct | Description not available. Security/Integrity exposure | |||
18_Oct | QLOAD SHOULD TOLERATE MESSAGES BEING DELETED WHILE FILTERING | ||||
17_Oct | CSQUTIL JOB USING COMMAND WITH SET CHLAUTH WILL NOT ALWAYS CATCH INVALID IP ADDRESS RANGES | ||||
17_Oct | DISPLAY CHSTATUS DOES NOT RETURN THE EXPECTED NUMBER OF CHANNELS | ||||
17_Oct | HIPER
| MQ Z/OS: CFSTRUCT RECOVERY FAILS WITH CSQE101I CSQERCFT UNABLE TO BACKUP OR RECOVER STRUCTURE <NAME>, STRUCTURE IN USE | |||
17_Oct | CSQX548E MESSAGES SENT TO LOCAL DEAD-LETTER QUEUE, CHANNEL XXX REASON=271 (????) SENDING MESSAGES THROUGH A SHARED CHANNEL | ||||
17_Oct | MQ Z/OS : CSQX053E XFFSRSTMVSASYNCCONSUMERTHREAD FOLLOWED INITIAL S0C4 ABEND | ||||
16_Oct | NO DUMP IS TAKEN WHEN A DUPLICATE QUEUE MANAGER RECORD IS DETECTED ON THE SYSTEM.CLUSTER.REPOSITORY.QUEUE | ||||
8_Oct | ABN=0C4-00000011,LOC=CSQXRCTL.CSQXRRMF | ||||
26_Sep | +CSQX645E CSQXRESP CERTIFICATE MQ MISSING FOR CHANNEL XXXX DISPLAYED | ||||
PH62819 | 13_Sep | HIPER
| Description not available. Security/Integrity exposure | ||
13_Sep | BACKUP CFSTRUCT KEEPS FAILING WITH CSQE106E CSQELBK1 UNABLE TO BACKUP STRUCTURE STRNAME, REASON=00C50D00 | ||||
13_Sep | HIPER
| ABN=5C6-00E20045 REPORTED WHEN A 64-BIT STORAGE POOL FAILS TO EXPAND | |||
13_Sep | A TIMING WINDOW WHEN CSQ2QCP0 OPENS ITS INPUT QUEUE AND FAILS WITH CERTAIN REASON CODES INCLUDING MQRC_OBJECT_IN_USE. | ||||
13_Sep | ABN=0C4-00000038,U=XXXXXXXX,C=MQ900.934.MMC -CSQMCLS2,M=CSQGFRCV,LOC=CSQTOPLM.CMQXKTPT+OFFSET | ||||
12_Sep | ABEND0C4 AGAINST CHINIT CSQXCCMX | ||||
12_Sep | HIPER
| ISSUE WITH THE EFFICIENT USAGE OF ABOVE-THE-BAR STORAGE DURING THE PEER LEVEL RECOVERY PROCESSING | |||
11_Sep | MESSAGE CSQX038E IS REPORTING THE WRONG QUEUE NAME | ||||
9_Sep | SHARED QUEUE SEARCH ENHANCEMENT FOR MQGET WITH MATCH OPTIONS. | ||||
5_Sep | HIPER
| CSQU568E ERROR REPORTED WHEN ADDING A QUEUE MANAGER INTO A QSG WHERE IT IS ALREADY DEFINED | |||
4_Sep | MQ Z/OS: A DUMP FOR ABEND5C6-00C53002 DID NOT CONTAIN THE CSQ_ADMIN CF STRUCTURE | ||||
4_Sep | HIPER
| MQ Z/OS: CSQV086E QUEUE MANAGER ABNORMAL TERMINATION REASON=00F00003 AFTER ABEND=S422 IN AMS | |||
2_Sep | FOR MQ (Z/OS) ALLOW CHLAUTH RECORDS TO BE CHECKED WITH USERID CASE INSENSITIVITY | ||||
27_Aug | ABEND 0C4-11 IN MODULE CSQOXATR WHEN EXECUTING CSQUTIL MAKEDEF | ||||
19_Aug | SDUMP IN CSQWDSDM DOES NOT SPECIFYY SDATA=RGN - ABOVE THE BAR STORAGE MISSING IN THE DUMP | ||||
14_Aug | CSQ9025E CPF 'EXTENDED' IS UNACCEPTABLE WITH 'WHERE' PARAMETER 'SELTYPE' | ||||
14_Aug | PUBSUB STATUS(ERROR) | ||||
9_Aug | HIPER
| MQ Z/OS:CHINIT ISSUES ABN=5C6-00E70007 AND ABN=5C6-00E70004 | |||
9_Aug | HIGH MSTR CPU DUE TO A BUILD UP OF LOCKS FROM CSQIDBLK | ||||
6_Aug | MQ Z/OS: IF CSQUDLQH RUNS IN OMVS, A TRACE FILE IS ALWAYS PRODUCED. | ||||
5_Aug | IBM MQ Z/OS: ALTER CHANNEL TO SET A BLANK CERTLABL DOES NOT UPDATE THE CERTIFICATE CACHE, SO THE OLD CERTLABL VALUE IS USED | ||||
30_Jul | DMPMQMSG / QLOAD NOT SELECTING MESSAGES BY AGE (-T) | ||||
24_Jul | ABENDS5C6-00C5101D,C=MQ900.920.CFM - CSQECLOS,M=CSQGFRCV,LOC=CSQELPLM.CSQECLOS+00003670 | ||||
| CSV file |
| RSU link |
Full details of IBMs Consolidated Service Test (CST) and the associated Recommended Service Upgrades (RSUs) can be found here
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Product Synonym
IBM MQ
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Document Information
Modified date:
19 November 2025
UID
ibm17172590