Q: How can I disable SMB 2.0 on a Windows client?

Disable SMB 2.0 on a Windows client--here's how.

John Savill

July 11, 2012

1 Min Read
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A: To disable the use of Server Message Block (SMB) 2.0 protocol on a Windows client, perform the following:

  1. Start the registry editor (regedit.exe).

  2. Move to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesLanmanServerParameters.

  3. From the Edit menu, select New, DWORD value.

  4. Enter a name of Smb2 and press Enter.

  5. Double-click the new value and set to 0 to disable SMB 2. Set to 1 to enable.

  6. Reboot the machine.

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