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Suggest Article: Outlook RPC over HTTPS via ISA2004 on ... - 23.Sep.2005 3:41:00 AM

MRIS

Posts: 58
Joined: 4.Aug.2005
Status: offline

Although Tom has some great articles covering secured RPC over port 135 (then all the ports), as well as a great article on RPC over HTTP for ISA2000, I am keen to see an article about Outlook 2003 RPC over HTTPS to an ISA2004 server running on SBS2003.

My key issue is that I don't have any means to debug the whole pipe/chain to see why it's not working. I've read through all microsoft's extensive documentation on how to set this up with and without a front-end/back-end server with and without SP1, etc etc, but I'm resorting to creating an "RpcTesting" folder along the same lines as the "Rpc" folder and then using IE to test connectivity. However although this works, it isn't looking inside the outlook RPC over HTTP transaction to tell me WHY it's not working. I realsise there's many different ways of configuring it, including using client-side certificates for authentication over the HTTPS connection etc, but I can't get even the simple stuff to work, beyond the https RPCtesting web page mentioned earlier.

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RE: Suggest Article: Outlook RPC over HTTPS via ISA2004... - 23.Sep.2005 11:02:00 AM

tshinder

Posts: 47659
Joined: 10.Jan.2001
From: Texas
Status: offline

Hi Mr. IS,

Great idea! Did you let the Wizard create the rule allow RPC/HTTP?

Thanks!
Tom

(in reply to MRIS)

Post #: 2

RE: Suggest Article: Outlook RPC over HTTPS via ISA2004... - 25.Sep.2005 9:15:00 AM

MRIS

Posts: 58
Joined: 4.Aug.2005
Status: offline

I'm sure the wizard might be able to create a ISA access rule (did you mean an SBS wizard, or an ISA wizard), however it won't setup stuff like the registry keys in RPC-Proxy with the FQDN and the Netbios names of the frontend and backend servers (even though it's just the one server), plus the port numbers in Microsoft's examples, 6004 etc.
Also the wizard has no idea if I'm intending to tunnel SSL over port 80 rather than port 443, or vice versa either, nor would any wizard know that the external host-header-name of the website as connected to by the client isn't actually the host-header name that IIS internally is responding to, nor whether I'm trying to offload the SLL processing from IIS to ISA, or which website I'm using to publish the rpc folder. I've creaed web publishing rules that appears to work for a normal folder over SSL, however there's no easy way to find out why the remote outlook client doesn't work.

(in reply to MRIS)

Post #: 3

RE: Suggest Article: Outlook RPC over HTTPS via ISA2004... - 3.Oct.2005 2:32:00 PM

Compukirk

Posts: 2
Joined: 24.Aug.2005
Status: offline

You seem to be complicating something that SBS 2003 & its CEICW wizard setup for you unless I'm missing something that you want to do that's unusual. I have several clients with this setup and access via https with no problem. Once you run the wizard there is then a link on the RWW page with specific instructions on how to setup each client PC with Outlook 2003.

(in reply to MRIS)

Post #: 4