RPC over HTTP
From: Kelvin Armstrong (anonymous_at_discussions.microsoft.com)
Date: 07/20/04
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Date: Tue, 20 Jul 2004 05:21:02 -0700
Are the proper ports opened in the firewall to the
exchange server? According to the knowledge base artice
833401, ports are 6001 and 6004 TCP.
>-----Original Message-----
>Hello,
>
>I spent an entire day attempting to configure Exchange
>2003 for RPC over HTTP functionality. This is a single
>server installation. We have a cisco PIX firewall which
>is doing network address translation. There is an
>inbound port mapping for port 443 for https traffic.
>
>I have followed all of the insturctions listed in KB
>Article 833401. I can connect to https://my.server.com
>and get the HTTP Error 403.2 - Forbidden: Read access is
>denied. I do not get any SSL certificate errors.
>
>When I configure Outlook 2003 to connect using RPC to
the
>server, I get the login dialog box which prompts for a
>username and password, which I enter (this appears to be
>the authentication to IIS), and then the box go aways
for
>about 20-30 seconds until I get "The connection to the
>Microsoft Exchange Server is unavailable.
>
>In my IIS log file, I see the following:
>
>2004-07-20 00:48:47 192.168.1.5
>RPC_IN_DATA /rpc/rpcproxy.dll mail.xyz.com:6004 443
>XYZ\administrator 207.1.1.87 MSRPC 404 2 1260
>2004-07-20 00:48:47 192.168.1.5
>RPC_OUT_DATA /rpc/rpcproxy.dll mail.xyz.com:6004 443
>XYZ\administrator 207.1.1.87 MSRPC 404 2 1260
>2004-07-20 00:48:47 192.168.1.5
>RPC_IN_DATA /rpc/rpcproxy.dll mail.xyz.com:593 443
>XYZ\administrator 207.1.1.87 MSRPC 404 2 1260
>2004-07-20 00:48:47 192.168.1.5
>RPC_OUT_DATA /rpc/rpcproxy.dll mail.xyz.com:593 443
>XYZ\administrator 207.1.1.87 MSRPC 404 2 1260
>
>Can anyone tell me why I'm getting these 404 errors? I
>can authenticate to the IIS server just fine if I'm
going
>to something like https://mail.xyz.com/exchange. I've
>disabled anonymous authentication on the /rpc directory
>and enabled basic authentication exactly as specified in
>the docs.
>
>Could this problem somehow relate to the fact that the
>internal hostname/IP address is different than the
>external hostname/IP address because we're using NAT
with
>split horizon DNS? I've put in all possible hostnames
in
>the registry under the ValidPorts key. Since the call
to
>IIS appears as mail.xyz.com in the logs, I'm assuming
>this is the hostname which it's attempting to proxy the
>RPC requests, so that shouldn't be a problem since I've
>definately put that hostname in ValidPorts.
>
>I think it's something more simple to do with IIS, but
>I've run out of ideas.
>
>Your help is very much appreciated.
>
>Mark
>
>
>.
>
- Next message: sfourtine: "smtp BDAT instead of DATA"
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- Reply: Mark: "RPC over HTTP"
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