Real VNC Troubleshooting



VNC doesn't seem to work properly with Windows XP

VNC will work with Windows XP provided that Fast User Switching and
Remote Administration are not used. Windows XP uses the Terminal
Services system to implement Fast User Switching and Remote
Administration. This is not compatible with releases of VNC prior to
Free Edition version 4.1 and Enterprise Edition version 4.1.3. These
versions of VNC include a workaround to ensure that session zero is
always available, and a more complete solution will be included in a
future release.

VNC causes my Windows NT/2000/XP machine to blue screen

Windows NT Version 4 has bugs in the API which is used by VNC. You
must have service pack 3 or higher installed to avoid problems.
On Windows 2000/XP there are reports that blue screens occur as a
result of having Microsoft Hotfix installed, with or without VNC
installed.

VNC does not install any system level hooks or driver software.
Consequently it cannot cause machines to crash except by by exposing
bugs in the undelying operating system and device drivers. If it appears
that VNC causes your machine to crash, check that you have the latest
service packs, graphics drivers and network drivers installed for your
system.

My computer uses roaming profiles, and with VNC installed the
profiles are sometimes not saved back to the server. It can take a
very long time to log out.

Versions of VNC prior to 3.3.6 have a bug that can cause this behaviour.
Additionally we have had reports that Windows 2000 machines with
Hotfix Q329170 installed exhibit the same behaviour, with or without
VNC installed.

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