Set-SmbServerConfiguration -RequireSecuritySignature $true

Get-SmbServerConfiguration | fl *sign*

Get-SmbClientconfiguration | fl EnableSecuritySignature,RequireSecuritySignature

reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanManServer\Parameters" /v RequireSecuritySignature /t REG_DWORD /d 0 /f

reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanManServer\Parameters" /v EnableSecuritySignature /t REG_DWORD /d 1 /f

reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" /v RequireSecuritySignature /t REG_DWORD /d 0 /f

reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" /v EnableSecuritySignature /t REG_DWORD /d 1 /f

로컬 그룹 정책 편집기 -> 컴퓨터 구성 -> 관리 템플릿 -> 네트워크 -> Lanman 워크스테이션 -> 보안되지 않은 게스트 로그온 사용

sfc /scannow

Dism /Online /Cleanup-Image /RestoreHealth

wmic path softwarelicensingservice get oa3xoriginalproductkey

reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /v BackupProductKeyDefault