Casper Remote "Authentication failed"
sudo defaults write /var/db/launch.db/com.apple.launchd/overrides.plist com.apple.screensharing -dict Disabled -bool false
sudo /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -deactivate -configure -access -off
sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.screensharing.plist
sudo /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -deactivate -configure -access -off
sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.screensharing.plist