RE: Firewall settings for MAPI Outlook 2003 an d Ex change 2003

  • From: "Mulnick, Al" <Al.Mulnick@xxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Mon, 4 Apr 2005 10:30:09 -0400

Sounds like RPC/HTTP vs. regular MAPI (For more information about that
http://www.microsoft.com/technet/prodtechnol/exchange/guides/E2k3RPCHTTPDep/
1583ab17-f7d1-41c1-ba52-37ec276e3644.mspx)   

Some of those ports are no longer needed if I recall correctly. 


Not a bad idea by the way, to deploy RPC/HTTP vs. regular MAPI to solve this
problem.  Much easier to manage and fewer ports to deal with if this is an
option. 

Al 

-----Original Message-----
From: Dennis Appelboom [mailto:dennis.appelboom@xxxxx] 
Sent: Monday, April 04, 2005 10:13 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Firewall settings for MAPI Outlook 2003 and Ex
change 2003

http://www.MSExchange.org/

Thanks for the response,

I already tried that document, but was unable to get it to work. After that,
I found some additional information, telling me that Outlook 2003 uses
static ports rather than dynamically assigned ports....
It should be 6001, 6002 and 6004.
Can someone conform that?

Also, it seems that outlook starts with a call to the exchange server on
port 135..... 

But still no success after I opened 135, 6001, 6002 and 6004.....

Regards,

Dennis Appelboom
XB

-----Original Message-----
From: Mulnick, Al [mailto:Al.Mulnick@xxxxxxxxxx]
Sent: maandag 4 april 2005 15:40
To: [ExchangeList]
Subject: [exchangelist] RE: Firewall settings for MAPI Outlook 2003 and Ex
change 2003

http://www.MSExchange.org/

The specific ports required are basically all of them. Especially those
above 1024 TCP/UDP (in both directions. )

You *can* narrow it down by setting static ports like this:
http://support.microsoft.com/kb/270836

You should also be aware of the way that Exchange tells Outlook to find a
GC.  You may want to investigate the closestGC registry key for Outlook
(called something like that). 


Al


 

-----Original Message-----
From: Dennis Appelboom [mailto:dennis.appelboom@xxxxx]
Sent: Monday, April 04, 2005 9:26 AM
To: [ExchangeList]
Subject: [exchangelist] Firewall settings for MAPI Outlook 2003 and Exchange
2003

http://www.MSExchange.org/


Hi,

 

We currently try to make Outlook 2003 work via MAPI through a Firewall.
Yes,
I know, it is a bit unusual...

The DC (with GC) is on the same network as the desktops, so it's just the
Exchange server that we need the port settings for.

The server is a Windows 2003 server running Exchange 2003 standard edition.

 

 

Searching with google gave me a lot of answers, all with ISA server
involved...But no specific port settings.

Does anyone know where I can find those?

 

Kind regards,

 

Dennis Appelboom

XB

 

 

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