[isalist] Re: Supporting RPC Outlook Clients

  • From: "Andrew English" <andrew@xxxxxxxxxxxxxxxxxxxxxx>
  • To: <isalist@xxxxxxxxxxxxx>
  • Date: Fri, 14 Apr 2006 12:25:57 -0400

http://www.ISAserver.org
-------------------------------------------------------

Uhm, 

With all that said and done how about posting the URL of the tutorial
that Tom wrote (I think) on getting it to work? 

Andrew


-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Jim Harrison
Sent: Friday, April 14, 2006 10:10 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Supporting RPC Outlook Clients

http://www.ISAserver.org
-------------------------------------------------------
  
Oops.
Read it inside-out - I understood it as RPC/HTTP - you're actually using
MAPI.

The problem is that the OL clients are going to look for ".local"
because that's the domain where the Exch server lives.  As such, you
have to give them this hosts file setting.
This is one of the main reasons Tom (and I) dislike the ".local" domain
construct.

You can use a logon script to modify the hosts file.

-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Rob Moore
Sent: Friday, April 14, 2006 6:51 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Supporting RPC Outlook Clients

http://www.ISAserver.org
-------------------------------------------------------
  
I'm not finding anything along those lines in the article by Tom. Where
can I find that?

Thanks,
Rob 

-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Jim Harrison
Sent: Friday, April 14, 2006 9:32 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Supporting RPC Outlook Clients

http://www.ISAserver.org
-------------------------------------------------------
  
What did you enter in the "Use this URL..." field?

-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Rob Moore
Sent: Friday, April 14, 2006 5:55 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Supporting RPC Outlook Clients

Using: ISA 2004 Standard, Server 2003, Outlook 2003. 

I've finally gotten around to implementing RPC over HTTP for my Outlook
clients. We have a split DNS, with our internal DNS names ending in
".local".

I've gotten an external client to connect, but only if I add the
Exchange server's external IP address and internal name to the Hosts
file on the external PC (as described in Tom's article
http://www.isaserver.org/articles/2004securerpc.html
<http://www.isaserver.org/articles/2004securerpc.html> ). When I
configure the client, I put in "mail.afsc.org"--the public name of our
Exchange server--as the server name. When it resolves, it resolves to
"delta.afsc.local"--the internal name of our Exchange server. This
resolution works, even without the addition to the Hosts file. However,
without the addition to the Hosts file, the client can't actually
connect to "delta.afsc.local".

So, these are my questions: 
1. Is there a way around using the Hosts file? 
2. If not, can someone tell me how to script the necessary info into the
Hosts file? (I'm not much of a scripter, and I'd like to avoid giving my
fairly non-technical users instructions for editing it themselves.) 

        Alternatively, I suppose I could create the necessary Hosts file
and give that to them. But there are a couple of problems with that:
first, our non-techie users would likely put it in the wrong place;
second, I've found that our anti-spyware program also uses the Hosts
file, and I don't want to mess that up.

        I can't use AD to make the changes to the Hosts file because
many of the computers that need the change are personal computers that
are not members of our domain.

Thanks,
Rob 

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Rob Moore
Network Manager
215-241-7870
Help Desk: 800-500-AFSC 


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