One of my clients implemented AlwaysOn Multi-subnet listener. This is one of the message which I have heard from few other AlwaysOn availability group customers who are having multi-subnet deployment. This client reported that they are not able to bring listener online on one node, which was added newly. When they attempted to fail over AG resource in the cluster, we could see below messages reported in event logs. Let us see how we can fix errors related to no matching network.
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