Microsoft enters “closing part” of disabling SMB1 file-sharing in Home windows 11


Enlarge / Microsoft is disabling SMB1 in newer Home windows 11 House builds.


Most Home windows 11 preview builds deal with including options, however generally Microsoft makes use of them to take away issues. Customers putting in the newest Home windows 11 House Insider builds will discover that assist for model 1.0 of the venerable SMB file-sharing protocol is now disabled by default, one thing which will break file-sharing for older networked storage tools. A submit by Microsoft program supervisor Ned Pyle particulars the reasoning behind the change and the way it will have an effect on customers.

Microsoft had already disabled SMB1 by default in different editions of Home windows. The SMB1 server service was faraway from all Home windows variations beginning in 2017, and the consumer service was disabled in Home windows 10 Professional editions beginning in 2018. Lyle writes that the consumer within the House editions of Home windows got here final since it should “trigger client ache amongst people who’re nonetheless operating very previous tools, a gaggle that is the least more likely to perceive why their new Home windows 11 laptop computer cannot hook up with their previous networked arduous drive.”

SMB1 has lengthy since been changed with newer and safer variations of the protocol; SMB2 was launched in 2007, and model 3.1.1 was added to Home windows 10 in 2016. However the unique remains to be sometimes utilized by previous servers and tools—and if a machine is sufficiently old to depend on SMB1, it is most likely sufficiently old that nobody is excited by sustaining or upgrading it.

For now, the SMB1 characteristic can nonetheless be put in manually by customers and system directors who want it, and for those who’re utilizing SMB1 on a PC that you just’re upgrading to Home windows 11, the improve will not disable the characteristic. The following part of the transition will go one step additional, fully eradicating DLL recordsdata and drivers wanted for SMB1 assist from the OS. The corporate “will present an out-of-band unsupported set up bundle for organizations or customers that also want SMB1 to hook up with previous manufacturing unit equipment, medical gear, client NAS, and so on.,” writes Pyle.

Itemizing picture by Outdated Home windows Icons/Andrew Cunningham

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