Disable Complex passoword on server in local

  # Export secedit:

secedit /export /cfg C:\secpol.cfg

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  # Change secedit:

(Get-Content C:\secpol.cfg) `
    -replace '^PasswordComplexity\s*=\s*\d+', 'PasswordComplexity = 0' |
    Set-Content C:\secpol.cfg

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  # Import secedit back:

secedit /configure `
    /db C:\Windows\Security\Database\local.sdb `
    /cfg C:\secpol.cfg `
    /areas SECURITYPOLICY

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  # Update Group Policy settings:

gpupdate /force

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