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Windows WN11-00-000160

DISA STIG WN11-00-000160 (CAT II): The Server Message Block (SMB) v1 protocol must be disabled on the system.

DISA STIG recommends

WN11-00-000160 CAT II

The Server Message Block (SMB) v1 protocol must be disabled on the system.

NIST SP 800-53: CM-7

Check

Different methods are available to disable SMBv1 on Windows 11. This is the preferred method, however if WN11-00-000165 and WN11-00-000170 are configured, this is NA. Run "Windows PowerShell" with elevated privileges (run as administrator). Enter the following: Get-WindowsOptionalFeature -Online | Where FeatureName -eq SMB1Protocol If "State : Enabled" is returned, this is a finding. Alternately: Search for "Features". Select "Turn Windows features on or off". If "SMB 1.0/CIFS File Sharing Support" is selected, this is a finding.

Fix

Disable the SMBv1 protocol. Run "Windows PowerShell" with elevated privileges (run as administrator). Enter the following: Disable-WindowsOptionalFeature -Online -FeatureName SMB1Protocol Alternately: Search for "Features". Select "Turn Windows features on or off". De-select "SMB 1.0/CIFS File Sharing Support".

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