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Migrating from MQAUSX to IBM MQ Native Authentication

  • 1.  Migrating from MQAUSX to IBM MQ Native Authentication

    Posted 7 hours ago

    Hey MQ folks,

    I've been using the MQ Authenticate User Security Exit (MQAUSX) for one of my applications to handle user authentication on MQ channels. It has worked fine, but now I'd like to move away from it and instead use the native IBM MQ authentication that comes built-in from MQ V8+.

    As far as I know, MQ provides authentication through CONNAUTH and AUTHINFO objects, and applications can pass user credentials via the MQCSP structure.

    My question is:

    Has anyone here migrated from MQAUSX to MQ native authentication?

    • What are the actual steps you took to implement this?

    • Any advice for updating applications to use MQCSP?

    • Were there any surprises or lessons learned when switching from MQAUSX to MQ's built-in authentication?

    Would love to hear how others approached this transition and if there's an easy way to achieve it without big app changes.



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    Rashmitha Thukuntla
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