PS0159: The operation is not supported at the current Farm Behavior Level ‘1’. Raise the farm to at least version ‘2’ before retrying.

When running AD FS on a Windows Server 2016 you might get the error message: PS0159: The operation is not supported at the current Farm Behavior Level ‘1’. Raise the farm to at least version ‘2’ before retrying, when you try to enable some new services such as the ESL (Extranet Smart Lockout). This can …
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Changing the Primary AD FS server in a farm

The need to change which server is the primary server in an AD FS farm only exists in an AD FS environment which is configured to use a Windows Internal Database to store the configuration. If the AD FS farm is configured to use a SQL database is used then all servers are “primary”. Note …
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