Enabling debug logging
This article applies to the following product(s): VNC VNC Enterprise Edition VNC Personal Edition Both VNC Serve
Unable to licence server: "XML error 0:0 Error: First Tag not found"
When running the license wizard or vnclicense -add from the command line, you may see the error "XML error 0:0 Error: First Tag not found". This is likely to mean that the Windows Event Log servi
My cursor appears to blink/flicker on the remote computer's physical displa...
This is normal when using "Capture alpha-blended windows" and is an artefact of the way in which Windows handles alpha-blended windows and cursors. Yo
I can't send a Ctrl-Alt-Delete combination to my Windows 7 computer
There is a default system policy in Windows 7 that prevents system services from sending Ctrl-Alt-Del (the Secure Attention Sequence, "SAS"). Note that only the VNC Server in Service Mode may proces...
Does VNC Server support IPv6
Platforms supporting IPv6
VNC Enterprise Edition 4.1.7 and later & Personal Edition 4.1.2 and later support both IPv6 and IPv4 on the following platforms:
Windows XP, 20
"Secure encryption key is missing or corrupt" error on Windows
This article applies to the following product(s): VNC VNC Enterprise Edition VNC Personal Edition
VNC Server won't start - "RegisterEventSource: The interface is unknow...
...ver on Windows, you may see the following error: "RegisterEventSource: The interface is unknown (1717)" This error indicates that the Windows
Remoting the console and RDP sessions
Windows Vista and later
VNC Server in Service Mode remotes the session on the console (that is, what is visible to a user sitting in front of the machine). When a Remote Desktop Protocol (
VNC Server licensing in non-standard environments or after hardware changes
VNC Server must be licensed to run. Normally, a license is entered on installation, and VNC Server does not need to be licensed again. However, there are various scenarios in which the license might
I'm having problems with VNC Deployment Tool
Typically, most error messages you get from VNC Deployment Tool indicate a problem with the underlying network configuration---often a permissions problem. That is the case with anything that say
How do I uninstall under Windows?
This article applies to the following product(s): VNC VNC Enterprise Edition VNC Personal Edition Navigate to Control Panel, and uninstall the VNC Server a
How can I improve the speed of my connection? ("I'm receiving slow per...
There are a few settings that can be modified in VNC Viewer and VNC Server to help the situation. From within VNC Server > Options there are a few desktop optimization settings you could try c
Does VNC Server create a log file on Windows 98?
Under Windows 98, VNC Server logs all connection attempts and error messages to C:\temp\winvnc4.log.
VNC Server is not removing my Windows background
There are some limitations to the "Remove Desktop background" feature of VNC Server. VNC Server cannot remove the background if you:
Are using active desktop
Have
Using Interactive Services prevents VNC connections on Windows Vista and later
This article applies to the following products:
VNC Enterprise 4.6 VNC 5.0
Description
On Windows Vista or Server 2008, and later, if the Interactive Service
Cannot connect to another Windows computer using Remote Desktop Connection
This article applies to the following product(s):
VNC
VNC Server in Service Mode conflicts with RDP. Stop VNC Server in order to connect using Remote Desktop Connection.
This
I'm receiving the error "An authentication error occurred. See the ser...
This article applies to the following product(s): VNC Enterprise Edition/VNC Personal Edition 1) This error is usually received bec
I'm receiving the error "Either the username was not recognised or the...
This article applies to the following product(s): VNC Enterprise Edition/VNC Personal Edition When trying to log in to VNC Server in Service Mode on Windows, you may receiv
VNC Viewer for Windows crashes at start-up
VNC Viewer is known to crash occasionally when starting up on Windows 7 systems. This problem affects all versions of VNC Server prior to version 4.6.
To fix this issue, please upgrade to the lates
Where are VNC Address Book files stored? Can I share them?
This article applies to the following product(s): VNC VNC Enterprise Edition VNC Personal Edition