[ExchangeList] Re: Outlook unable to logon to Exchange

  • From: "Carl Houseman" <c.houseman@xxxxxxxxx>
  • To: <exchangelist@xxxxxxxxxxxxx>
  • Date: Tue, 23 May 2006 22:10:40 -0400

http://www.msexchange.org
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When I give (a)/(b) choices I'm looking to get (a)/(b) answers.  I'm still
not clear on what you have or are trying to do.

If there is only one Exchange server and all of the clients (domain-joined
or not) are in the corporate network, then that Exchange server should be in
the corporate network, not the DMZ.

If you think you must have the only Exchange server in the DMZ, provide some
reason why you think that is required.

Carl

-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Sture Lygren
Sent: Tuesday, May 23, 2006 2:00 PM
To: exchangelist@xxxxxxxxxxxxx
Cc: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Outlook unable to logon to Exchange

First - I apologize for not beeing more spesific ...

The Exchange is sitting in our DMZ-domain, Outlook clients in our
corporate network wich is behind a firewall (this network is being
NAT'ed). Further there is no VPN connection and unfortunately we're still
running Outlook XP here so I guess RPC over HTTP is not available to us.

Outlook is configured to always prompt for user, password and domain and
I've been dooing some regedits setting Rpc_Binding_Order and such - all to
no avail.

And - there I am - been searching for a working solution for days - and
now  - stuck!

Any pointers is highly appreciated

regards,
Sture

> http://www.msexchange.org
> -------------------------------------------------------
> Where are these machines that are not joined to the domain located?
> (a) Inside or (b) Outside the firewall?
>
> If you said (b), do they have VPN connection to your interanet?
> (a) Yes   (b) No
>
> If you said (b) they need a VPN connection, or if they are using Outlook
> 2003 on Windows XP, you need to configure RPC over HTTP.
>
> If you said (a) to either question, what procedure have users been given
> for
> connecting to the domain?  If they don't connect to the Exchange server
> first, has Outlook been setup to always prompt for password?
>
> A machine not in the domain does not automatically work the way a machine
> in
> the domain works.  You have to put in some extra steps.
>
> Carl
>
> -----Original Message-----
> From: exchangelist-bounce@xxxxxxxxxxxxx
> [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Sture Lygren
> Sent: Tuesday, May 23, 2006 2:23 AM
> To: exchangelist@xxxxxxxxxxxxx
> Subject: [ExchangeList] Outlook unable to logon to Exchange
>
> Situation:
>
> We have an Exchange 2003 Enterprise server on a Windows 2003 server
> acting as PDC (not an ideal solution I know, but beeing a small org I
> guess the server will handle the load just fine).
>
> Problem:
>
> Outlook clients cannot connect to the exchange server if the machine is
> not part of the domain housing the exchange server.
>
> Is there a smart fix for this?
>
> Thanks in advance!
>
> Sture
> --
> Sture Lygren
> Computer Systems Administrator
> Andoya Rocket Range
> Work: +4776144451 / Fax: +4776144401
>
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>
>


-- 
Sture Lygren
Computer Systems Administrator
Andoya Rocket Range
Work: +4776144451 / Fax: +4776144401

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