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Javier GonzalezFlag for Belgium

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Downgrade Windows Server 2012 Dataserver to Standard version

Hi Guys,

Is it possible to downgrade a windows server 2012 Datacenter edition to a standard one ?
I would like to avoid as far as possible to reinstall the OS.

Thanks,
Javier
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Tom Cieslik
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This is a valid use case, but it can't be done (unlike going from Standard to Datacenter). So it does make sense to want to do this.
The only solution is a complete re-install, which seems unnecessary in Server 2012 given the only difference is just a licensing change for the # of VMs permitted.
You can try this command to check if is possible but I'm sure for 100% you can't

dism /online /get-targeteditions

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Hi,
Converting existing Windows Server 2012 versions
At any time after installing Windows Server 2012, you can run Setup to repair the installation (sometimes called “repair in place”) or, in certain cases, to convert to a different edition.
You can run Setup to perform a “repair in place” on any edition of Windows Server 2012; the result will be the same edition you started with.

https://technet.microsoft.com/en-gb/library/jj574204.aspx?ranMID=24542&ranEAID=TnL5HPStwNw&ranSiteID=TnL5HPStwNw-7dAn_cGZYZubfHP_v5PNVA&tduid=(458c932601bcaafc4454653764a91b00)(256380)(2459594)(TnL5HPStwNw-7dAn_cGZYZubfHP_v5PNVA)()
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ASKER

Ok, Guys thanks for your answers but that doesn't work.... I'm going to reintsall the OS.

Cheers,
Javier
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Tom Cieslik
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You are right Tom, sorry not really familiar with this site, I suppose you mean to select "Best solution".
Thanks,
Javier