How to access Exchange Account from outside ADS from MS OUTLOOK

Posted on 2006-04-27
Last Modified: 2008-02-26
Dear Friends,

I have a task that to access MS Exchange account from outside ADS with MS outlook 2003. Now when I try to access i get error that Exchange is not available. Kindly can you tell me what is the issue with it. Or provide me any solution. Is there any port required or all systems should be on Domain ADS to access Exchange Accounts.
Waiting for solution.


Question by:batman9
    LVL 35

    Expert Comment

    have you configued RPC over HTTP..

    this can be used if you are using Exchange 2003 and Outlook 2003

    The "Exchange Server 2003 RPC over HTTP deployment scenarios" guide is available

    TechNet Support WebCast: An overview of RPC over HTTP in Microsoft Exchange Server 2003 and Microsoft Office Outlook 2003

    How to configure an RPC over HTTP topology on computers that are running Exchange 2003 with Service Pack 1

    Author Comment

    Actaully I am asking that I wannna access Exchange Account[not pop/imap] from my office computer[exchange server is on my home server]. Now which ports need to be opened and what I have to do. Because I want to share the features of calendar etc. I don't wanna use OWA. I wanna use MS OUTLOOK 2003 only and exchange account. Kindly provide me exact  details. In the scenario provided above, I need to have 2 exchange servers, I have only one and I want to access only that one from different locations with MS OUTLOOK 2003..
    LVL 35

    Expert Comment

    you can configure RPC over HTTP even if you have a single exchange server.

    Check the following article

    How to configure RPC over HTTP on a single server in Exchange Server 2003

    Author Comment

    Can you tell me pls which ports on Exchange Server should be opened if behind firewall.
    LVL 35

    Accepted Solution

    Exchange 2000 Windows 2000 connectivity through firewalls

    TCP/UDP ports used by Exchange 2000 Server

    TCP ports and Microsoft Exchange: In-depth discussion

    Outlook cannot connect through a firewall or a proxy server that is performing Network Address Translation (NAT) between public and private networks in Outlook 2002 and Outlook 2003

    Support WebCast: Microsoft Exchange 2000 Server Connectivity Through a Firewall

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