Thanks Lee.

We will check this out and post our findings

"Lee Derbyshire" wrote:

> "ocdsupport" <ocdsupport@discussions.microsoft.com> wrote in message
> news:D3B4F547-8758-480F-B801-7B609784E114@microsoft.com...
> > Thanks Lee
> >
> > We have checked the ExchWeb Virtual Directory and Enable Anonymous
> Access is
> > selected. No other Authentication is enabled.
> > This user has no problems using Outlook Web Access from a PC only
> his PDA
>
> It's possible that the device's browser is configured to use a proxy
> server somewhere that does not fully support authenticated sessions,
> and keeps forgetting the credentials. See if it has a proxy server
> configured in its preferences.
>
> You may also need to check your IIS logs. Look for the initial GET
> request to /Exchange. It should result in a 401 response, which
> causes the browser to ask for credentials. Once the browser has the
> credentials, then it shouldn't ask for them again, and every other
> request into the /Exchange VDir should get a 200 response (although
> sometimes there is a 401 followed immediately by the 200). If you see
> lots of requests getting a 401, then followed by a 200 a few seconds
> later (i.e. the time required to type in the credentials again), then
> you should see where the problem is.
>
> Lee.
>
> --
> _______________________________________
>
> Outlook Web Access For PDA , OWA For WAP
> www.owapda.com
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>