That would not work. Server Essentials 2019 will want to be a root writable domain controller.
--please don't forget to upvote
and Accept as answer
if the reply is helpful--
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Hi All
I have a SBS 2008 Server that's my Primary DC and I want to make a Server Essentials 2019 a read only secondary domain controller, is this possible, given the fact that I can't have both on the same domain.
Side Note: I'm migrating to M365 and want to promote the Server Essentials 2019 after the migration and decommission the SBS.
That would not work. Server Essentials 2019 will want to be a root writable domain controller.
--please don't forget to upvote
and Accept as answer
if the reply is helpful--
OK understood,
What is the best route to take when migrating from SBS 2008 to Essential 2019 and MS365 in my case.
The product group for Office 365 actively monitors questions over at
https://techcommunity.microsoft.com/t5/office-365/ct-p/Office365
--please don't forget to upvote
and Accept as answer
if the reply is helpful--