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The URL for OWA in
SBS 2008 is
https://remote.contoso.com/owa
if a user attempts to access this
page without specifying “https” they
will receive a 403.4 forbidden this
site must be accessed over SSL.
Today we will discuss an easy method
to configure HTTP to HTTPS
redirection so users do not get this
error, and instead are redirected to
the proper OWA URL. The below steps
will walk you thru configuring this
type of redirection.
1. Open IIS Manager
from Administrative Tools and expand
the SBS Web Applications web
site then click on the OWA
virtual directory. Locate the
Error Pages icon in the right
pane.

2. Open the Error
Pages configuration and click on
Add on the far right window
pane.

3. Add an HTTP error
response for status code 403.4
select the response action of
Respond with a 302 redirect, and
enter the HTTPS URL for the OWA site
e.g.
https://remote.contoso.com/owa

4. Click Ok
and now you should see the custom
error page for 403.4 with a redirect
to the HTTPS URL for Outlook Web
Access.

Note:
The above process should not be used
on any other SBS included virtual
directory/web site. Remote Web
Workplace (RWW) includes its own
method for HTTP to HTTPS
redirection. |