Windows Server 2019 install product key not working

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i Have tried both Standard and Datacenter product keys and get errors with both

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@Brent Forman  I installed Windows Server 2019 Standard version by mistake and activated it waiting for it to come up windows looking on the reboot which of coarse it did not. I then wiped out the raid and all started from scratch and reinstalled windows server 2019 datacenter version on the same computer but it will not activate now? What can I do?