IF00365
Windows XP Fast User Switching Doesn't Always Work Properly.
Windows
XP's Fast User Switching feature allows one user to quickly access a computer
without forcing another to log off or quit applications. As handy of a feature
as this may be, it doesn't always work properly. Here are some of the reasons
why Fast User Switching may not work properly:
Insufficient memory:
For
Fast User Switching to work properly,
Windows XP must have at least 64 MB of
RAM. Although this is a defined minimum, Microsoft states that the system
must have at least 120 MB of free RAM or XP will deactivate Fast User Switching.
This can especially be a problem if the system shares video memory with main
memory. In addition, for Fast User Switching to work properly, the currently
logged on user may have to exit a few programs.
Domain
membership:
Fast User
Switching will not work if you're using Windows XP Professional and the computer
is a member of a network domain.
Third party
programs:
Third-party
programs, such as the Novell client and the Citrix client, replace the Microsoft
Graphical Identification and Authentication file (Msgina.dll). Fast User
Switching requires Windows XP's original Msgina.dll file. Check third-party
applications to see if they replace this file.
Incompatible applications:
Even though
Fast User Switching is supposed to allow one user to keep applications running
while another borrows the computer, some applications aren't compatible with
this feature. You can use the
Windows
Application Compatibility Toolkit.
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