Mirroring? Make Sure Editions Match!

SQL Server Mirroring has had a rough time the past few years. It was deprecated in SQL Server 2016, and now it's more or less being replaced by Basic Availability Groups, (which I love to refer to as "BAGS"). Database Mirroring hasn't gone the way of the Dodo yet though. Perhaps it won't be quite so popular in new deployments anymore, but there's plenty of existing ones out there. For this reason I don't expect Microsoft to remove the feature for at least a few more years. A few weeks ago I had a reminder of one of the finer…
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