Troubleshooting
- Known Issues when connecting to Mac OS Catalina (10.15) using VNC Connect
- Why does VNC Viewer disconnect when I switch apps? (iOS)
- How do I get debug logs?
- Why can’t I connect?
- iPadOS - Issues with VNC Viewer
- VNC Viewer for Android 3.5.0 causes LineageOS devices to reboot
- VNC Server does not start on Raspberry Pi unless a mouse/keyboard are connected
- How do I obtain Diagnostics for RealVNC Support?
- Why do I see a low resolution when connected to VNC Server for Windows on a headless/virtual machine?
- VNC Viewer appears multiple times in the Dock on Mac OS Mojave
- What do I do if I don't receive an email for email verification/password reset/device authorization?
- How do I contact RealVNC?
- Dynamically-filled/form field PDFs do not print correctly with VNC Connect
- Known Issues when connecting to Mac OS Mojave (10.14) using VNC Connect
- Could not manipulate the mirror driver
- Understanding Windows socket error codes
- Mouse cursor disappears after upgrading to VNC Viewer for Android v3.4.0
- Hosted Application error: HTTP Unauthorized
- What should I do if my VNC Server or VNC Viewer app crashes?
- How do I re-join a VNC Server to the cloud, or change which team VNC Server belongs to?
- An authentication error occurred. See the VNC Server error log for details.
- VNC Viewer is no longer remembering my passwords
- Hosted Peer-to-Peer error: Connectivity could not be established
- Too many security failures
- I can't send a Ctrl-Alt-Delete combination to my Windows computer
- Why is VNC Server not currently listening for Cloud connections?
- Application windows are resized or moved to one monitor when VNC Viewer connects
- Display issues when connecting to VNC Server running on Windows 10
- SSO fails on *NIX with error: "Unspecified GSS failure"
- VNC Server shows as unlicensed with multiple NICs when one NIC is disconnected