Default SMB versions in OS

Robert Leong -

Windows

  • SMB 1 - Windows 2000
  • SMB 2 - Windows Server 2008 and WIndows Vista SP1
  • SMB 2.1 - Windows Server 2008 R2 and Windows 7
  • SMB 3.0 - Windows Server 2012 / ? and Windows 8 / 10

Identify

To identify the SMB version: 

Windows 8.1 or 2012, you can use the PowerShell (in admin mode) cmdlet Get-SmbConnection

You can not interrogate which SMB it is using in  Windows 7.

 

  • SMB 1 introduced in DOS days, and was also called CIFS in its later version (think of it like SMB 1.1). First versions of Samba 1.x supported SMB and CIFS
  • SMB 2.0 / SMB2.02 introduced with Windows Vista/2008 is supported with Samba 3.6
  • SMB 2.1 introduces with Windows 7 / Windows 2008 R2 is supported with Samba 4.0.0
  • SMB 3.0 introduced with Windows 8 / Windows 2012 is supported by Samba 4.2
  • SMB 3.02 introduced in Windows 8.1 / Windows 2012 R2 is not yet supported by any version of Samba (its in the works I assume)
  • SMB 3.11 introduced in Windows 10 is not yet supported by any version of Samba (its in the works I assume)

Source: http://www.kossboss.com/?p=2661 

 


 

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