Microsoft has made an important change in recent Windows 11 Pro Insider Preview builds by disabling SMB guest authentication fallbacks by default. This has been done to improve the security of the OS.
New Windows Server ahoy - but the company would rather talk about Azure
Tim Anderson Tue 2 Mar 2021 // 14:00 UTC Share
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Ignite Microsoft has released a preview of Windows Server 2022, with secured core , improved Windows Containers, and MsQuic protocol support in the kernel.
Windows Server can also be deployed using an as a service model in the style of Windows 10, though there are important differences. The regularly updated version is simply called Windows Server (plus a release number such as 2004), is in the semi-annual release channel, and requires a subscription licence called Software Assurance, so is not a cheap way to get the latest Windows Server forever.