Loading...

Knowledge Base
Save 25% on a custom website!

Install SSL on Outlook Web Access (OWA)

Securing your sensitive email data is essential in today's digital landscape. When utilizing Outlook Web Access (OWA), installing an SSL certificate to safeguard your communications from unauthorized access is essential. This detailed manual will lead you through installing SSL on Outlook Web Access, guaranteeing the privacy and security of your business emails. We'll cover everything from obtaining the certificate to configuring your OWA settings for optimal security.

In this article, we will discuss:

Certificate Installation

  1. Start by opening the Internet Services Manager from your Administrative Tools.
  2. Navigate to the Properties of the website hosting your OWA, typically found under the Default Web Site.
  3. In the Properties window, select the Directory Security tab and click on the Server Certificates button to proceed with the SSL installation for OWA. 
  4. A dialogue box labeled Pending Certificate Request will appear. Choose Process the pending request, install the certificate, and then click Next.
    Pending Certificate Request

  5. You will be prompted with the Process a Pending Request dialogue box. Navigate to and select the site certificate that you received, then click Next to continue with the SSL setup.
    Process a Pending Request

  6. After navigating through the certificate request, you will be shown the Certificate Summary. Verify the details and click Next to move forward.
    Certificate Summary

  7. Finally, install the intermediate certificate to fully secure your Outlook Web Access with SSL.

Enabling SSL for OWA

  1. Begin by using the Internet Services Manager to open the properties for the Exchange virtual directory.
    Internet Services Manager

  2. Navigate to the Directory Security tab, then click on the Edit button within the Secure Communication section. This allows you to modify settings to secure your OWA environment. 
  3. Within the Secure Communications dialogue box, ensure to check the box for Require Secure Channel (SSL) to activate SSL encryption. Optionally, check Require 128-bit encryption for enhanced security, keeping in mind that older browsers not supporting 128-bit encryption will not be able to access OWA.
  4. Users attempting to access the site via the HTTP protocol (e.g., http://ahost.adomain.com/exchange) will encounter an HTTP 403.4 - Forbidden: SSL required error, indicating the need for a secure connection. 
  5. Ensure that all users are aware they must use the HTTPS protocol, such as https://ahost.adomain.com/exchange, to access the site securely under SSL protection. 
  6. Finally, verify that your firewall is configured to allow traffic through HTTPS (port 443 by default) to facilitate secure, encrypted connections to your OWA.

Review

Securing Outlook Web Access with an SSL certificate is an indispensable step for any organization aiming to protect its email communications. This guide has provided a thorough walkthrough of the process, from the initial installation of the certificate to adjusting your OWA settings for enhanced security. By following these detailed instructions, businesses can ensure their sensitive email data remains guarded against unauthorized access, thus maintaining confidentiality and integrity. It's a proactive measure that reinforces your commitment to data security and builds trust among your clients and team members. Keep in mind the significance of routinely reviewing and revising your security protocols in order to prevent possible threats.

Did you find this article helpful?

 
* Your feedback is too short

Loading...