Audit client does not support signing

Supported on: At least Windows Server 2025, Windows 11

Registry

HKLM Software\Policies\Microsoft\Windows\LanmanServer

Value name: AuditClientDoesNotSupportSigning

Enabled: AuditClientDoesNotSupportSigning = 1

Disabled: AuditClientDoesNotSupportSigning = 0

Description

This policy controls whether the SMB server will log the event when the SMB client doesn't support signing. If you enable this policy setting, the SMB server will log the event when the SMB client doesn't support signing.