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Windows 8 and Windows Server 2012 introduce the new Set-SMBServerConfiguration Windows PowerShell cmdlet. The cmdlet enables you to enable or disable the SMBv1, SMBv2, and SMBv3 protocols on the server component.

Notes When you enable or disable SMBv2 in Windows 8 or in Windows Server 2012, SMBv3 is also enabled or disabled. This behavior occurs because these protocols share the same stack.

You do not have to restart the computer after you run the Set-SMBServerConfiguration cmdlet.

• To obtain the current state of the SMB server protocol configuration, run the following cmdlet:

  Get-SmbServerConfiguration | Select EnableSMB1Protocol, EnableSMB2Protocol

• To disable SMBv1 on the SMB server, run the following cmdlet:

  Set-SmbServerConfiguration -EnableSMB1Protocol $false

• To disable SMBv2 and SMBv3 on the SMB server, run the following cmdlet:

  Set-SmbServerConfiguration -EnableSMB2Protocol $false

• To enable SMBv1 on the SMB server, run the following cmdlet:

  Set-SmbServerConfiguration -EnableSMB1Protocol $true

• To enable SMBv2 and SMBv3 on the SMB server, run the following cmdlet:

  Set-SmbServerConfiguration -EnableSMB2Protocol $true