If you are using MQ clusters and have some queue managers running MQ software that is not at a current fixpack level, you may be at risk for cluster corruption.
Users of WebSphere MQ Clusters are potentially affected by the Hiper APAR IV25030. The issue is more likely to occur in clusters with very large numbers of queue managers or objects. However, it is strongly suggested that all customers apply the fix, or preferably upgrade to an MQ fixpack level that includes the fix.
The APAR affects MQ clusters on all... [More]