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Troubleshooting

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  • What does HTTP Unauthorized mean and how do I resolve it?
  • What do I do if I don't receive an email for email verification/password reset/device authorization?
  • Why can I no longer print to my local printer when connected to my remote Windows computer?
  • Why can’t I connect?
  • Why does RealVNC Connect not show my recent subscription changes?
  • Why does RealVNC Viewer for iOS disconnect when I switch apps?
  • Why does RealVNC Server show an error when checking for updates?
  • Why doesn't RealVNC Server start on boot on Windows / MacOS?
  • Why do I get an "Access is denied" error message when connecting to RealVNC Server?
  • Why do I get an "Access denied to VNC Server; please sign in to connect" error message when trying to connect to a RealVNC Server?
  • Why do I receive an error message saying "Too many security failures" when I try to connect?
  • Why do I see a low resolution when connected to RealVNC Server for Windows on a headless/virtual machine?
  • Why do I see an infinite "hall of mirrors" when I connect?
  • Why is my cursor stuck in the RealVNC Viewer window?
  • Why is my mouse/cursor shown as a small dot when connecting to RealVNC Server running on Windows?
  • Why is RealVNC Server not currently listening for cloud connections?
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