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System Requirements for WebSphere MQ for z/OS V5.3.1

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This document contains system requirements for WebSphere MQ for z/OS V5.3.1


The following products or equivalents are supported at the specified minimum levels:

Hardware Requirements
  • Any IBM System/390 or IBM zSeries 900 (z900) processor capable of running the required level of operating system and that has enough storage to meet the combined requirements of the programming prerequisites, WebSphere MQ for z/OS, the access methods, and the application programs.
Software Requirements
For software requirements, the Program Directory shipped with the product will normally contain the latest level of information, particularly concerning APAR/PTF levels of supported products.

The following products or equivalents at the specified minimum levels:
  • OS/390 (5647-A01) V2.9 or z/OS (5694-A01) V1.1
  • Shared queues: OS/390 V2.9, with Resource Recovery Services (RRS) activated, Coupling Facility level 9, and DB2 (5655-DB2) V6.1
  • Secure Sockets Layer (SSL) requires the OS/390 Cryptographic Services System SSL function (FMID HCPT2A0)
  • CICS applications: CICS/ESA (5655-018) 4.1 or CICS Transaction Server (CTS) (5655-147) V1.3
  • IMS applications: IMS (5695-176) 6.1
  • DB2 applications: DB2 (5655-DB2) 6.1
  • If you choose to use Unicenter TCPaccess Communications Server from Computer Associates, Inc in place of IBM TCP/IP, you need V4.1 or, for OESockets, you need V5.2
  • PL/I applications:
    • IBM PL/I for MVS and VM (5688-235) V1.1.1
    • IBM VisualAge PL/I for OS/390 and VM (5655-B22) V2.2
  • COBOL applications:
    • IBM COBOL for OS/390 and VM (5688-197) V2.1
    • IBM COBOL for MVS and VM (5688-197) V1.2
  • Java™ users:
    • IBM Developer Kit for OS/390, Java 2 Technology Edition, Version 1.3.1 (5655-D35)
    • WebSphere Application Server V4.0.1 for z/OS and OS/390

OS/390 includes appropriate levels of Language Environment, TCP/IP, VTAM, SMP/E, TSO/E, JES, C/C++, DFSMS / DFP, Security Server, High Level Assembler, ISPF, and ICSS.
  • SSL
    • Supported Cryptographic Hardware
      • Operating system provides the cryptographic hardware support.


  1. WebSphere MQ V5.3.1 does not provide an extended transactional client for the zSeries server product. However, extended transactional clients on other supported platforms can connect to WebSphere MQ on the zSeries platform.

Change History
Last updated: 22 December 2006
  • 2 December 2005: Modifications to the format.
  • 7 July 2006: Added "The following products or equivalents are supported at the specified minimum levels:"
  • 22 December 2006: Changed all references to MQ 5.3 to MQ 5.3.1.
  • 30 September 2012: Updated expiry date to keep current.

Original Publication Date

30 June 2005

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Document Information

Modified date:
17 June 2018