Installing your SSL: Microsoft Outlook Web Access

To install your SSL certificate, you will need to do the following:

1

Open Internet Information Services Manager, or the custom MMC containing the Internet Information Services snap-in.

2

Expand Internet Information Services (if needed) and browse to the Web site you have a pending certificate request on.

3

Right-click on the site and then click Properties.

4

Click the Directory Security tab.

5

Under the Secure Communications section, click Server Certificate.

6

On the Web Server Certificate Wizard, click Next.

7

Choose to Process the Pending Request and Install the Certificate. Click Next.

8

Type in the location of the certificate response file (you may also browse to the file), and then click Next.

9

Read the summary screen to be sure that you are processing the correct certificate, and then click Next.

10

You will see a confirmation screen. After reading this information, click Next.

You now have a secure server certificate installed. Now you must assign it in Exchange:

1

Using the Internet Services Manager, open the properties for the Exchange virtual directory.

2

Select the Directory Security tab and the click on the Edit button in the Secure Communication section.

3

In the Secure Communications dialogue box, check the box Require Secure Channel (SSL), you could also check the box Require 128-bit encryption, if you do check the 128-bit checkbox, any browsers that do not support 128-bit encryption will be unable to connect to OWA.

Now when users enter http://www.yourdomain.com/exchange, they will receive an "HTTP 403.4 - Forbidden: SSL required Internet Information Services" error message, because we have configured OWA to require SSL. SSL uses the HTTPS protocol, so users would need to enter the url as:

https://www.yourdomain.com/exchange.

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