Microsoft Disables SMB1 File-Sharing Protocol By Default
Microsoft Disables SMB1 File-Sharing Protocol By Default

Microsoft Disables SMB1 File-Sharing Protocol By Default

Microsoft's Windows 10 operating system already disables by default SMB (Server Message Block) version 1, the 30-year-old file-sharing protocol. Now the company is doing the same with Windows 11.

SMB1 is considered outdated and not secure. "However, some users with very old equipment may be in for a surprise if their Windows 11 laptops can't connect to an old networked hard drive," as officials said in a blog post about the SMB1 phase out plan.

"There is no edition of Windows 11 Insider that has any part of SMB1 enabled by default anymore. At the next major release of Windows 11, that will be the default behavior as well," said Ned Pyle, Principal Program Manager.

Pyle said that Microsoft next will be removing the SMB1 binaries, and that both Windows and Windows Server will no longer include the drivers and DLLs of SMB1. Microsoft will provide an out-of-band, unsupported install package for users that still need to connect to old factory machinery, medical gear, consumer NAS and other equipment that still requires SMB1, however.

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