SQL SERVER – Fix: Error 946, Severity: 14 – Cannot open database ‘DB’ version 782. Upgrade the database to the latest version
I was consulting a client for migration from SQL 2014 to SQL 2016. They were using methodology discussed in books online here. https://msdn.microsoft.com/en-us/library/dn178483.aspx (Upgrading AlwaysOn Availability Group Replica Instances). Let us learn about how to fix error 946.