Known issues

Date ID Program (Platform) Description Workaround Status
25 August 2009 2870 VNC Server (Mac OS X 10.6) Upgrading to Snow Leopard disables platform-native authentication. Please see the workaround page Fixed in 4.5.2.
24 June 2009 3169 VNC Server in Service Mode (HP-UX) The commands vnclicense, vncserver -list and x0vncserver -list fail to perform their respective operations. Install HP's most recent linker tool cumulative patch, PHSS_39077. Won't fix.
12 May 2009 2860 VNC Server in Virtual Mode (UNIX) VNC Server crashes when the x11perf tool is run against it. Use the -extension RENDER option to run VNC Server without XRENDER support. Fixed in 4.6.
12 May 2009 2828 VNC Server in Service Mode (Mac OS X) VNC Server in Service Mode (Mac OS X) Authenticate using short names, or add the full name to the authentication list. Authenticate using short names, or add the full name to the authentication list.
12 May 2009 2755 VNC Deployment Tool (Windows) Auditing licenses on a 64-bit remote host does not work. When deploying VNC Server, select a license key explicitly using the Installation Options dialog. Fixed in 4.6.
12 May 2009 2389 vncconfig (UNIX) vncconfig crashes occasionally on keyboard input. Insert the command sleep 1 before running vncconfig in xstartup. Fixed in 4.6.
12 May 2009 2362 VNC Server (Windows) VNC Server freezes when a query including a parameter is copied to the clipboard in MS Access. Ask someone with physical access to the computer to dismiss the Access prompt for a parameter value. Fixed in 4.6.
12 May 2009 2278 VNC Server in Virtual-Mode (UNIX) Xvnc crash running various applications, particularly those using OpenGL. None. Fixed in 4.5.3.
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 effects enabled. Disable desktop effects. For User-Mode, you can also set UseDamage=0. Won't fix.
28 Apr 2008 782 VNC Viewer and VNC Server in User-Mode (Windows) If the IZArc compression shell extension is installed, VNC Viewer and VNC Server (User-Mode) may crash when transferring files via the Fetch Files user interface. Paste the files from the clipboard instead of using Fetch Files. Fixed in 4.6.
16 Apr 2008 656 VNC Viewer and VNC Server (Windows NT 4) Transferring a directory twice to the same location does not copy the contents of that directory correctly. Rename the directory transferred first before transferring it a second time. Fixed in 4.6.
25 Mar 2008 457 VNC Viewer (Windows) On Windows 2000 and earlier, the VNC Viewer toolbar is too wide and has no tooltips. None. Fixed in 4.6.