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Wanna disable SMBv1 to stop WannaCry

Link from Technet why SMBv1 should be disabled:

STOP using SMBv1

Link below shows how to to check whether SMBV1 is enabled and how to disable SMBV1:

How to disable SMBv1? - How to check if SMBv1 is enabled?


PowerShell codes below is from the link above:

Windows 8 and Windows Server 2012

To check whether SMB1 and SMB2 are enabled:

Get-SmbServerConfiguration | Select EnableSMB1Protocol, EnableSMB2Protocol

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

Set-SmbServerConfiguration -EnableSMB1Protocol $false

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Windows 7, Windows Server 2008 R2, Windows Vista, and Windows Server 2008

Requires Windows PowerShell 2.0 or a later version of PowerShell

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

Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" SMB1 -Type DWORD -Value 0 -Force

Or if you're not comfortable using PowerShell just open registry editor and do it manually.

PowerShell is quite straight forward, open PowerShell ISE. Copy and paste the code above and click run icon and the settings will be set.


Cheers..till next time!

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