[isalist] Re: SBS ISA 2004 and Outlook over http/rpc

  • From: "Amy Babinchak" <amy@xxxxxxxxxxxxxxxxxxxxxxxxxx>
  • To: <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 5 Oct 2006 13:06:58 -0400

Therein lies the problem. Launch the connect to the internet wizard,
select enable firewall, and check the box for Outlook over the Internet.
This will setup the ISA rule for you.

 

Amy Babinchak

 

Harbor Computer Services

(248) 546-6056 office

(248) 890-1794 mobile

 

http://isainsbs.blogspot.com

http://keepitsecure.blogspot.com

http://www.harborcomputerservices.net

 

     

 

 

________________________________

From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of William Holmes
Sent: Thursday, October 05, 2006 1:02 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] SBS ISA 2004 and Outlook over http/rpc

 

Hello,

 

I have a Small Business Server 2003 with ISA 2004. I would like to be
able to use RPC over https. However when I add a rule to publish the RPC
Proxy on my SBS server it caused my OWA to stop working and returns the
Error Code: 500 Internal Server Error. The target principal name is
incorrect.

 

The publishing rule was separate from the OWA rule. Removing the RCP
rule restored OWA's functionality. I set the RPC publishing rule up
according to:  
http://www.microsoft.com/technet/isa/2004/plan/exchage2003.mspx

 

In the section: Using ISA Server with Exchange Server 2003 Walk-through
Procedure To Configure RPC over HTTP for Outlook 2003

 

 

My Setup is as follows.

 

1.    I have two web listeners: One for http, and another for https. The
https listener is configured with Verisign certificate.

2.    The IIS server is configured with a certificate issued by my own
CA. The principal name for this certificate matches the fully qualified
domain name of the internal interface on the SBS server.

 

OWA works fine so long as I don't attempt to publish the rpc proxy.

 

Could anyone point me to a the proper way to set this up?

 

Thanks

 

Bill

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