Re: Outlook RPC over HTTp deosn't work

Warning message when a user tries to connect to a secure Web site by using
Internet Explorer 7: "There is a problem with this website's security
certificate"
http://support.microsoft.com/kb/931850

--
Merv Porter [SBS-MVP]
============================

"Barry Lee" <BarryLee@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:DD239732-191D-4E25-8941-460A9C66D34E@xxxxxxxxxxxxxxxx
Hi Nathan
how to fix this step ??
B. If the certificate is not trusted, a warning popup appears. Click View
Certificate, click Install Certificate, and then follow the instructions.
when i open
http://mail.mydomain.com/exchange
there is a problem with this websites's security certificate.
the xecurity cerficate by this website was not issued by trusted
certificate
authonity.
the xecurity cerficate by this website was not issued for a different
website's address.
we recommend that you cloas this webpage ans do not continue to this
website .
1. click here to close this website .
2.continue to this website (not recommended).
more information
Thx
Barry





"Nathan Liu [MSFT]" wrote:

Hello Lily,

Thank you for posting in the SBS newsgroup.

According to your description, I understand that you received the error
message "'The connection to the Microsoft Exchange Erver is
unavailable¡­"
when you try to use RPC over HTTP to connect the Exchange Server. If I
have
misunderstood your concern, please don't hesitate to let me know.

1. In SBS 2003, we don't have to manually configure RPC over HTTP. We
can
follow the steps below to enable RPC over HTTP:

A. Make sure you have enabled "Outlook over the Internet" and "Remote Web
Workplace" in the CEICW (Configure E-mail and Internet Connection
wizard),
then you will logon to the Remote Web Workplace
(https://serverfqdn/remote)
as a user from the remote client and look at the link for "Configure
Outlook via the Internet". You can see it from the server by going into
https://localhost/remote. If the option is not displayed, then the
feature
is not configured on the server.

B. Click "Configure Outlook via the Internet" and then the Web page
"Using
Outlook via the Internet" will appear which has pretty much a step by
step
list of instructions. If it tells you to use "server.domain.local", use
that. If it tells you to use "server.domain.com", use that. Follow the
steps exactly.

References:

825763 How to configure Internet access in Windows Small Business Server
2003
http://support.microsoft.com/?id=825763

Windows Small Business Server 2003 Getting Started Guide
Appendix C - Network Configuration Settings
http://www.microsoft.com/technet/prodtechnol/sbs/2003/plan/gsg/appx_c.mspx

2. To troubleshooting RPC over HTTP related issue:

A. From the Internet client, browse to https://FQDN/rpc. In order for RPC
over HTTP to work, you must be able to browse to this URL without getting
a
popup warning about the certificate. You will receive the following error
on the page:

The page cannot be displayed
HTTP Error 403.2 - Forbidden: Read access is denied.
Internet Information Services (IIS)

This is normal. The idea is to be able to get to that page without
getting
the popup warning about the certificate.

B. If URLScan is installed on the SBS server, in some configurations, it
is
necessary to make the following changes in urlscan.ini in order for RPC
over HTTP to work:

[RequestLimits]
; The entries in this section impose limits on the length
; of allowed parts of requests reaching the server.
MaxAllowedContentLength=2000000000
MaxUrl=16384
MaxQueryString=4096

In addition, you need to add the following verbs to the Allow Verbs:

RPC_IN_DATA
RPC_OUT_DATA

After editing the ini file, restart IIS Admin Service and Microsoft ISA
Server Control services.

Reference:

823175 Fine-tuning and known issues when you use the Urlscan utility in
an
Exchange 2003 environment
http://support.microsoft.com/?id=823175

3. Start outlook with the /rpcdiag switch, does that provide any
direction?

4. On the SBS server, verify if it trusts the certificate:

A. Open Internet Explorer, and then in the address bar type:
https://publishing.yourdomain.local/remote

B. If the certificate is not trusted, a warning popup appears. Click View
Certificate, click Install Certificate, and then follow the instructions.

5. On the SBS server, open IIS Manager, expand your server\Web Service
Extensions, is RPC Proxy Server Extension allowed? If so, double-click
it,
check if it is using "C:\WINDOWS\system32\rpcproxy\rpcproxy.dll". If it
is
using "C:\WINDOWS\system32\rpcproxy.dll", remove it and add
"C:\WINDOWS\system32\rpcproxy\rpcproxy.dll" on the Required Files tab.
Run
"iisreset" and see how it goes.

6. How many NIC installed on your SBS server. Is ISA also installed? Is
there any software firewall enabled on the SBS server? Generally, for RPC
over HTTP, we just need to open the incoming TCP port 80 and 443 on the
hardware firewall.

7. Please do a screen capture of this issue on the Outlook client, and
then
attach it in your reply.

I am appreciated your time and cooperation. If anything is unclear,
please
feel free to let me know. I am looking forward to hearing from you.

Best regards,

Nathan Liu (MSFT)
Microsoft CSS Online Newsgroup Support
Get Secure! - www.microsoft.com/security
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Thread-Topic: Outlook RPC over HTTp deosn't work
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Subject: Outlook RPC over HTTp deosn't work
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Hi!
I enabled Outlook RPC over HTTP on SBS 03 server, and followed the
instructions to configure Outlook 03.
But now Outllok can't connect anymore, at all. When it starts - comes up
with a message:
'The connection to the Microsoft Exchange Erver is unavailable.Outlook
must
be online or connected to complete this action.' and then:
'Unable to open your default email folders. The information store could
be
opened.'

Please help!
--
Thanks, Lily!





.

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