How to Disable SMB 2.0

26.Apr.2011 | by Gusac | Filed in: Articles

Windows Vista/2008 server and later OS have version 2 of SMB (Server Message Block), which also has backward compatibility with SMB 1.0. Even though, SMB 2.0 is tested to be faster, it might cause some issues in some scenarios and you may wan to disable it. There are different ways to disable SMB 2.0 at client end and server end. Disable SMB 2.0 at server end: Open Registry Editor (regedit.exe) and navigate to the following registry key": HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters Create a new DWORD value and rename it to: Smb2 Set the value data to 0. (0 denotes ‘Disable’) Restart the system Disable SMB 2.0 at client end: Open the command prompt (cmd.exe) and type the following two commands: sc config lanmanworkstation depend= bowser/mrxsmb10/nsi sc config mrxsmb20 start= disabled .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } Please note, there is a space after the equal to (‘=’) sign in the command.

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