How can I obtain or convert Windows Server 2019 Datacenter media for an Azure VM?
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MellowCedar47
I have an Azure VM that requires Windows Server 2019 Datacenter installation media, but my licensing is managed through Azure. The evaluation setup disk does not work for what I need. Is there an official way to obtain the full ISO, or can the existing evaluation installation be converted without rebuilding the VM?
Answers
You may not need a separate ISO. The Microsoft Evaluation Center image is already Datacenter media, and Microsoft documents converting an evaluation installation to a licensed edition in place with DISM. The usual command is `DISM /online /Set-Edition:ServerDatacenter /ProductKey: /AcceptEula`, using the published generic Server 2019 Datacenter key from Microsoft’s KMS client setup key documentation. Make sure this matches your Azure licensing arrangement and verify the activation status afterward.
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Building the system on a physical machine, swapping the edition, and exporting it back into Azure is technically possible, but it is a much more cumbersome route than converting the existing installation or obtaining the media through official licensing channels.
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If you specifically need a complete ISO rather than conversion, use your organization’s Microsoft licensing portal or open a Microsoft/Azure support case. Azure licensing does not automatically mean you have standalone installation media. Also check whether you only need a repair source for DISM or SFC, since that may require less than a full ISO.
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MellowCedar47: That worked after I repackaged the WIM and ran setup. Thanks! I also found that the same approach applies to volume-license editions.