Windows Server 2019 is available again today. Server 2019 was originally released in October releasedbut withdrawn a short time later together with the Windows 10 update.
As Windows Server 2019 is a prerequisite for Exchange 2019, some people were unable to start installing test environments here. Windows Server 2019 can now be downloaded and used, but the new version is not yet available in the VisualStudio subscription. Only the Language Pack and the Features on Demand installation are still available here:
Presumably, the latest ISO will also be available for download here shortly. Here is an announcement from Microsoft about the new release:
Unfortunately, the article does not contain any information as to whether Windows Server 2019 was also affected by the problem of missing files. In contrast to Exchange 2019, there are evaluation versions for Server 2019 that can be tested for 180 days:
Since the question about trial versions of Exchange 2019 has already been askedThere are no Eval versions of Exchange 2019. Exchange 2016 can still be tested for 180 days, but this does not apply to Exchange 2019. If you want to install Exchange 2019, you need an Action Pack, a Visual Studio subscription or a volume license agreement.