Re: Ports numbers used for mapi trough firewall

From: Lanwench [MVP - Exchange] (lanwench_at_heybuddy.donotsendme.unsolicitedmail.atyahoo.com)
Date: 11/17/04 

Date: Wed, 17 Nov 2004 10:45:47 -0500

Arjen wrote:
> We have here a W2k domain with users, and another, W2k3 domain with
> Exchange 2003 mailboxes. These domains have a single trust
> relationship. Between the two domains there is a firewall.

Are the two domains in the same location? Meaning, are you connecting across
the Internet?
>
> I want my outlook XP on the W2k clients to connect to the Exchange
> server in the W2k3 domain. I have set all the ports as mentioned in KB
> q270836, and it looks like it's working. But every time I get the
> "Outlook is getting mail messages" popup box. When I allow all traffic
> trough the firewall (any-any, can now be done in test env.) I don't
> get this message. The portnumbers used except the static ports are:
> 1026 (when accessing public folders) From DC to DC, 16419 from PC to
> E2k3 server and port 55809 from PC to E2k3 server.
>
> Anyone who knows where these ports are used for and how I can make
> these static?
>
> Thanx in advance...

Relevant Pages

  • OWA Setup - HELP PLS
    ... How to Configure OWA to Connect to Exchange Through ... through a firewall. ... two ports need to be statically mapped. ...
    (microsoft.public.exchange2000.setup.installation)
  • Add or Edit rules gives message that user must be logged in.
    ... I am running Exchange on Server2003 and Outlook 2003 on a Win XP box. ... The exchange server is outside of my firewall, ... I have configured Outlook to use RPC over HTTP, ... Exchange was using random ports over 1024, ...
    (microsoft.public.exchange.setup)
  • Re: Best way to implement Front-End/Back-End Exchange 2003
    ... It depends on the firewall used. ... Basically you only need ports 80/443. ... Is there any step by step guides on setting up FE/BE exchange servers ...
    (microsoft.public.exchange.design)
  • Re: ActiveSync, Exchange 2003 SP2, firewall ports
    ... >I heard that Exchange 2003 SP2 will not require to open the ports on ... > the firewall in order to have ActiveSync working with handheld over the ... > handheld device over the air. ...
    (microsoft.public.pocketpc)
  • Re: Exchange 2003 and Mapi trough firewall
    ... Between the two domains there is a firewall. ... > I want my outlook XP on the W2k clients to connect to the Exchange ... I have set all the ports as mentioned in KB ... The portnumbers used except the static ports are: ...
    (microsoft.public.exchange.connectivity)
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