Microsoft officially announced that the Insider version of Windows 11 Home Edition has disabled the SMB1 protocol by default, and other versions have been disabled by default. This will be the last moment of SMB1 in Windows.
Since then, there are no more Windows 11 Insider builds with SMB1 enabled by default. In the next major release of Windows 11, SMB1 will be completely disabled by default. Of course, administrators can still reinstall manually.
SMB (Server Message Block) communication protocol is a protocol developed by Microsoft and Intel in 1987. It can be used to share resources such as files, printers, serial ports and communication with computers under the network. It has now developed to SMB3.
Microsoft has been advising administrators to remove support for SMB1 since 2016 because the protocol is not secure and vulnerable to cyberattacks.
Microsoft also recently announced that it will remove the SMB1 binaries in a future version of Windows. Windows and Windows Server will no longer contain drivers and DLLs for SMB1.
However, Microsoft will provide additional unsupported installation packages for organizations or users who still need SMB1 to connect to old factory machinery, medical equipment, consumer NAS, and more.
Source: IT House
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