Are you talking about a channel message exit here or an API exit? If a message exit, then you can connect at MQXR_INIT time (and cache the HCONN somewhere). You won't ever need to disconnect as the reason from the MQCONN should be "already connected".
If an API exit, all invocations of the API exit have a useable HCONN for all normal MQI verbs. Dave P. Instructions for managing your mailing list subscription are provided in the Listserv General Users Guide available at http://www.lsoft.com Archive: http://vm.akh-wien.ac.at/MQSeries.archive
