The Server Message Block (SMB) Protocol is a network file sharing protocol, and as implemented in Microsoft Windows is known as Microsoft SMB Protocol. The Common Internet File System (CIFS) Protocol is a dialect of SMB. Both SMB and CIFS are also available on VMS, several versions of Unix, and other operating systems. Although its main purpose is file sharing, additional Microsoft SMB Protocol functionality includes the following: Dialect negotiation Determining other Microsoft SMB Protocol servers on the network, or network browsing Printing over a network File, directory, and share access authentication File and record locking File and directory change notification Extended file attribute handling Unicode support Opportunistic locks For security reasons, Microsoft recommends that you disable SMB1 immediately. to enable on windows 10 go to control panel > programs and features > turn windows features on or off and
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