AD migrate from 2012 R2 to 2019 with AAD

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New Contributor

Seems like the migration from 2012 to 2019 is pretty simple. Introduce 2019 DCs to the domain and demote 2012 servers. My question is that when I introduce the first 2019 server do I have to do anything to the server running Azure AD Connector since the schema is upgraded etc ? Upgrade AAD or refresh or anything ?

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