An in-place upgrade would not be supported.
https://learn.microsoft.com/en-us/windows-server/upgrade/upgrade-overview
--please don't forget to upvote
and Accept as answer
if the reply is helpful--
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Hi all. I would like to upgrade an existing SBS 2011 Essentials server to 2019 Standard because our new Sage updates no longer support SBS 2011.
I would like to keep the same machine as it exceeds the spec for 2019 and to keep costs to a min. I am not using exchange, just AD for logons and file storage.
Can I buy Server 2019 standard, pop the media in and upgrade it in place?
Thanks
An in-place upgrade would not be supported.
https://learn.microsoft.com/en-us/windows-server/upgrade/upgrade-overview
--please don't forget to upvote
and Accept as answer
if the reply is helpful--
Although that wasn't the answer I hoped for, I appreciate the clarification