I experienced a similar issue with a channel not starting within an MQ Cluster. I altered the qmgr\channels properties on the Windows side to adopt NewMCA. This remedied my problems and my chan ...
I know this problem happened on the Solaris environment but I wanted to let you know that I exeprienced the same exact problem on Z/os. We are running V5.3.1, and I had two applications have an issue ...