To correctly renew a Small Business Server 2008 OWA certificate follow the guide below :-
Click on the images to enlarge
1) Open up the Windows SBS Console
![Windows SBS Console](https://www.blackforce.co.uk/wp-content/uploads/2013/05/SBS1-300x217.jpg)
2) Click on network then connectivity
![Windows SBS Console Connectivity](https://www.blackforce.co.uk/wp-content/uploads/2013/05/SBS2-300x217.jpg)
3) Down below click on certificate under the heading “Web Server Certificate”. Then on the right hand side click “Add a trusted certificate”
![Add a trusted certificate](https://www.blackforce.co.uk/wp-content/uploads/2013/05/SBS3-300x216.jpg)
4) On the screen that appears click Next.
![SBS4](https://www.blackforce.co.uk/wp-content/uploads/2013/05/SBS4-300x242.jpg)
5) Then click “I want to renew my current trusted certificate with the same provider”
![SBS5](https://www.blackforce.co.uk/wp-content/uploads/2013/05/SBS5-300x242.jpg)
6) The generated CSR will then appear onscreen. Send this off to your cert provider. then click next and say you need more time. Click finish.
![SBS8](https://www.blackforce.co.uk/wp-content/uploads/2013/05/SBS8-300x242.jpg)
7) Once you have the reply from your cert provider go back to the wizard and select “I have a certificate from my certificate provider” and click next.
![SBS6](https://www.blackforce.co.uk/wp-content/uploads/2013/05/SBS6-300x242.jpg)
8) Paste in your reply into the box provided and finish the wizard.
![SBS7](https://www.blackforce.co.uk/wp-content/uploads/2013/05/SBS7-300x242.jpg)
9) Do an iisreset. Job done