Another reason would be using Business Contact Manager. A workaround would be
> No, Cached Exchange Mode is not available on a Terminal Server for
> performance reasons. If all the logged on users were to enable Cached
> Exchange Mode you'd be generating too much disk I/O. Cached Exchange mode is
> used to reduce some of the stress from the server side and move it to the
> client side. In case of the TS, you'd be only moving the stress from one
> server to the other. In fact, you'd be increasing it.
>
> Also, there is no need for using Cached Exchange Mode on a server. Since the
> users already need to be connected to the Terminal Server, there is no
> offline working scenario.
>
> So why exactly do you need CEM on the TS?
>
> --
> Robert Sparnaaij [MVP-Outlook]
> Coauthor, Configuring Microsoft Outlook 2003
>
http://www.howto-outlook.com/
> Outlook FAQ, HowTo, Downloads, Add-Ins and more
>
>
http://www.msoutlook.info/
> Real World Questions, Real World Answers
>
> -----
>
> "Dennis Kukurudza" <Dennis Kukurudza@discussions.microsoft.com> wrote in
> message news:909C67EC-F2EA-4C56-9D48-482FF287DF66@microsoft.com...
> > This issue is also present when installing TS 2008 on Windows Server 2008.
> >
> > Is there a workaround having TS 2008?
> > If not, will there ever be a work around?
> >
> > Thanks,
> > Dennis.
> >
> > "Shurick" wrote:
> >
> >> Windows Server 2003. Primary role - terminal server. Check box is not
> >> available in context users and admins
>
>