<div>
Do you have a CA in your network that you are using for the certificates or are you using Exchange's self-signed one?
</div>


Do you have a CA in your network that you are using for the certificates or are you using Exchange's self-signed one?

<div>
Check the Canonical Name of owa, I mean it should be as DC=com,DC=domain,CN=owa.co<wbr />mpany.com
</div>


Check the Canonical Name of owa, I mean it should be as DC=com,DC=domain,CN=owa.company.com

<div>
Check below article<br />
<br />
<a href="http://www.petri.co.il/how-can-i-configure-rpc-over-https-on-exchange-2003-single-server-scenario.htm" rel="ugc">http://www.petri.co.il/how-can-i-configure-rpc-over-https-on-exchange-2003-single-server-scenario.htm</a>
</div>


Check below article

http://www.petri.co.il/how-can-i-configure-rpc-over-https-on-exchange-2003-single-server-scenario.htm [http://www.petri.co.il/how-can-i-configure-rpc-over-https-on-exchange-2003-single-server-scenario.htm]

<div>
Verify that the Thawte chain is available on your Exchange server.
</div>


Verify that the Thawte chain is available on your Exchange server.

<div>
That's good to hear. &nbsp;You can now also connect Outlook using Outlook Anywhere/RPCoHTTP?
</div>


That's good to hear.  You can now also connect Outlook using Outlook Anywhere/RPCoHTTP?

<div>
Yep did a test at home and that worked too.<br />
<br />

</div>


Yep did a test at home and that worked too.



<div>
This is the solution I found myself.<br />
The other answers are just hints.
</div>


This is the solution I found myself.
The other answers are just hints.

<div>
<div class="content wysiwyg-content">
When I try to connect Outlook with RPC over HTTP, Outlook Anywhere, I get certificate errors.<br />
<br />
With <a href="https://www.testexchangeconnectivity.com" rel="ugc">https://www.testexchangeconnectivity.com</a>&nbsp;I did a test RPC/HTTP connectivity and I got the following error:<br />
&nbsp; &nbsp; &nbsp;The certificate chain couldn't be built. You may be missing required intermediate certificates.<br />
<br />
<br />

</div>
</div>


When I try to connect Outlook with RPC over HTTP, Outlook Anywhere, I get certificate errors.

With https://www.testexchangeconnectivity.com I did a test RPC/HTTP connectivity and I got the following error:
     The certificate chain couldn't be built. You may be missing required intermediate certificates.




Outlook anywhere

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.