Re: accessing exchange store remotely from win2003 server using MSDAIPP.DSO
From: Glen Scales [MVP] (gscales_at_outlookexchange.com)
Date: 01/26/05
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Date: Wed, 26 Jan 2005 16:56:25 +1100
I've used MSDAIPP.DSO successfully on the Windows 2003 box before. Some
things to keep in mind is that under the covers MSDAIPP.DSO is translating
all your calls into WebDAV.
MSDAIPP.DSO wont work locally on a Exchange 2003 server and it also wont
work if your using Forms Based Authentication on your Exchange server.
Some silly things can cause it to fail for instance having Internet Explorer
set to work offline will cause it to fail. The other thing that may cause an
issue on 2003 is the "Internet Explorer Enhanced Security Configuration"
which gets installed and enabled by default. Or if your using Https and for
some reason its popping up a SSL certificate warning at you MSDAIPP.DSO wont
know what to do. Try just accessing the Exchange server normally using the
browser on that server and see what happens.
Cheers
Glen
"daniel bainbridge" <daniel.bainbridge@plymouth.ac.uk> wrote in message
news:453420c2.0501250522.6033b401@posting.google.com...
> Hi,
>
> I would appreciate some help with the following:
>
> I'm writing a web based application using VB.Net which allows users to
> remotely create public folders and resources (e.g. a calendar) in the
> Exchange Store.
>
> I've managed to do this successfully from my own machine(Windows Xp
> Pro) using http://localhost/...
> I connect to the Exchange Store remotely using the provider
> "MSDAIPP.DSO"
> and passing in the username & password and the http://...of the root
> public folder.
>
> conn.Provider = "MSDAIPP.DSO"
> conn.Open(intranetRootUrl, strUserName, strPassWord)
>
> This works fine. The problem is that I've moved the code to another
> remote machine running Win Server 2003 and I now getting the following
> error mesage when I run the code (an aspx page)
>
> "Exception Details: System.Runtime.InteropServices.COMException:"
>
> with the source of the error being the line:
>
> "conn.Open(intranetRootUrl, strUserName, strPassWord)"
>
> I know the username and password are correct and have the right
> permissions and
> the intranetRootUrl is a string in the http://... format.
>
> Is it possible to use the provider "MSDAIPP.DSO" on a machine running
> Win Server 2003 to access an Exchange Store on another machine?
>
> thanks in advance,
>
> Daniel
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