IBM Support

PH23262: BIP9151S THE SPECIFIED MQTT PORT IS ALREADY IN USE

Abstract

During Broker start up on z/OS, the following message may be displayed even though the port is not in use:

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSNQH8","label":"IBM Integration Bus for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

Log InLog in to view more of this document

This document has the abstract of a technical article that is available to authorized users once you have logged on. Please use Log in button above to access the full document. After log in, if you do not have the right authorization for this document, there will be instructions on what to do next.

Document Information

Modified date:
27 July 2026