SMBv1 via PowerShell

20/01/2024 - Ted

Here are the steps to detect, disable and enable SMBv1 client and server by using PowerShell commands with elevation.

NB: The computer will need to be restarted to complete enabling or disabling SMBv1.

Detect:

Get-WindowsOptionalFeature -Online -FeatureName SMB1Protocol

Disable:

Disable-WindowsOptionalFeature -Online -FeatureName SMB1Protocol

Enable:

Enable-WindowsOptionalFeature -Online -FeatureName SMB1Protocol

You can detect SMBv1 status, without elevation, by running:
Get-SmbServerConfiguration | Format-List EnableSMB1Protocol.

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