Puoi distribuire un profilo di configurazione per abilitarlo, per gentile concessione di @gregneagle su GitHub . Quanto segue è una versione ridotta a solo il payload per l'impostazione dell'account guest.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>PayloadContent</key>
<array>
<dict>
<key>DisableGuestAccount</key>
<true/>
<key>EnableGuestAccount</key>
<false/>
<key>PayloadDisplayName</key>
<string>Login Window: MCX Preferences</string>
<key>PayloadEnabled</key>
<true/>
<key>PayloadIdentifier</key>
<string>com.github.gregneagle.loginwindow.MCX</string>
<key>PayloadType</key>
<string>com.apple.MCX</string>
<key>PayloadUUID</key>
<string>497c36d1-422c-b5e0-c23e-b1138b2d490a</string>
<key>PayloadVersion</key>
<integer>1</integer>
<key>SleepDisabled</key>
<false/>
</dict>
</array>
<key>PayloadDescription</key>
<string>Loginwindow configuration settings</string>
<key>PayloadDisplayName</key>
<string>Loginwindow Configuration</string>
<key>PayloadIdentifier</key>
<string>com.github.gregneagle.loginwindow</string>
<key>PayloadOrganization</key>
<string></string>
<key>PayloadRemovalDisallowed</key>
<true/>
<key>PayloadScope</key>
<string>System</string>
<key>PayloadType</key>
<string>Configuration</string>
<key>PayloadUUID</key>
<string>0dc319a0-c331-0131-eeb5-000c294ab81b</string>
<key>PayloadVersion</key>
<integer>1</integer>
</dict>
</plist>