-
Access the Exchange Admin Center by opening a browser and browsing to https://localhost/ecp
-
Login using Domain\\user name as the format for the user name and enter your password.

-
Click the link to Servers in the left column, then Certificates at the top right, then the + symbol.

-
The 'new exchange certificate' wizard will appear in a pop-up window
-
Choose 'Create a request for a certificate from a certification authority'

-
In the friendly name field, enter a name by which you will remember this certificate in the future.
—This name is not an integral part of your certificate request.

-
You can check the box and enter the root domain name if you will be generating the CSR for a wildcard. Otherwise, just go to the next screen.

-
Hit Browse to choose which server you want to store the certificate request on.

-
If you are doing a wildcard cert, you will skip this step. From the list, select the services which you plan on running securely by using Ctrl+Click to highlight the services.

At the next screen, you will be able to review a list of the names which Exchange 2013 suggests you include in your certificate request.
—Review those names and add any extra names by using the + button.

-
Your Organization name should be the full legal name of your company.
—Your Department name is your department within the organization.
—If you do not have a state/province, enter the city information again.

-
Enter a network share path to save the CSR to your computer as a .req file, then Finish.

-
You should now be able to open the CSR with notepad or wordpad. You should copy the entire body of that file into the online order process.