VNC® Enterprise Edition 4.6 known bugs
The following are known bugs, features, and omissions in VNC Enterprise Edition 4.6. You may also wish to check the known bugs for version 4.5.x
| Date | ID | Program (Platform) | Description | Workaround | Status |
|---|---|---|---|---|---|
| May 2012 | 6105 | VNC Server (Mac OS X 10.7.4) | Connections cannot be established if the host computer’s display is asleep. | Set the display to never sleep (lower of the two sliders in the System Preferences > Energy Saver pane). | Under consideration. |
| January 2012 | 4620 | VNC Viewer | VNC Viewer appears to remain connected if VNC Server is stopped unexpectedly (for example, on power down). | None. | Under consideration. |
| December 2011 | 4663 | VNC Server in Service Mode (Windows) | VNC Server stops when a fast user switch is performed. Users are disconnected and cannot reconnect. | None. | Under consideration. |
| December 2011 | 4620 | VNC Server in Service Mode (Windows 7 and 2008 R2) | Logging out from the host computer while VNC Server is running very occasionally causes Windows to crash (BSoD). | If applicable, and possible, do not run VNC Server in a Virtual Machine. | Under consideration. |
| November 2011 | 5313 | VNC Server (Mac OS X) | Mac OS X Server is not a supported platform. This may be rectified in a future release. | None. | Under consideration. |
| August 2011 | 4720 | VNC Server in Service Mode (Mac OS X 10.7 Lion) | Connections are terminated if a connection to Screen Sharing is simultaneously established. | Turn off Screen Sharing while VNC Server is running. | Under consideration. |
| August 2011 | 4706 | VNC Server (Mac OS X 10.7 Lion) | The network address of the host computer cannot always be displayed. |
Open the Terminal application and run the command ifconfig.
|
Under consideration. |
| August 2011 | 4660 | VNC Viewer | Connections to Screen Sharing built-in to Mac OS X 10.7 (Lion) are not supported. | None. | Under consideration. |
| August 2011 | 4708 | VNC Server (Mac OS X 10.7 Lion) | After installation, switched out host computer users cannot perform VNC Server operations that require administrative privileges. | Log out and back in again. | Under consideration. |
| August 2011 | 4661 | VNC Server in User Mode (Mac OS X) | Connections are now terminated on switch out, and new connections cannot be established. |
Under Mac OS X 10.6 or earlier, turn off the StopUserModeOnSwitchOut parameter. Note this is not supported under 10.7 Lion.
|
Under consideration. |
| August 2011 | 4701 | VNC Server (Mac OS X) | On the Expert tab of the Options dialog, the CaptureMethod parameter value might not reflect the actual screen capture method being used. | None. | Under consideration. |
| 11 Apr 2011 | 3992 | VNC Server in Service Mode (Windows) | Logging out or switching user under Windows 7 or Vista terminates the connection. | You are automatically prompted to reconnect without having to re-enter authentication credentials. | Under consideration. |
| 02 Nov 2010 | 4403 | VNC Server in Virtual Mode (UNIX) |
Low color desktops (specified by running vncserver -depth 8) are not supported under Ubuntu 10.10.
|
Give vncserver -depth a value of 16 or 24 instead.
|
Won't fix. |
| 15 Oct 2009 | 3380 | VNC Server (Windows) | Adding a second monitor with a lower resolution and color quality disproportionately increases CPU usage. | Give both monitors the same resolution and color quality. | Under consideration. |
| 24 June 2009 | 3169 | VNC Server (HP-UX 11.00) |
The commands vnclicense, vncserver -list and x0vncserver -list fail to perform their respective operations.
|
Please see the workaround page. | Won't fix. |
| 12 May 2009 | 2259 | VNC Server (all platforms) | IPv6 connections are disabled if IP address filtering is enabled. | None. | Won't fix. |
| 12 May 2009 | 1756 | VNC Server (Windows) | Window 'smearing' when dragging windows between monitors on a multi-monitor system with the mirror driver enabled. | Disable VNC Mirror Driver. | Won't fix. |
| 12 May 2009 | 1599 | VNC Server in User-Mode or Service-Mode (UNIX) | No updates sent or screen corruption using some video drivers with desktop or visual effects enabled. |
Disable desktop/visual effects. For User-Mode, you can also set UseDamage=0.
|
Won't fix. |
