As many Qflex users experience “MQ reason 2035” issue during setup, this article provide some insight on the topic as well as a way to resolve the issue. WebSphere MQ V7.1 introduced CHLAUTH rules, which by default banned remote access for privileged users (users that belong to MQM group and can execute operation without being explicitly granted access to do that operation). To turn off CHLAUTH you can simply disable it, but that is not a good solution from security point of view. You could also simply allow yourself access on a particular channel as described in the articles below: