How to Generate Certificate Signing Request (CSR) in Microsoft Exchange 2013


This document provides instructions for generating a Certificate Signing Request (CSR) for Exchange 2013. If you are unable to use these instructions for your server, RapidSSL recommends that you contact Microsoft.

NOTE: To generate a CSR for Microsoft Exchange 2013 using the Exchange Management Shell (command line) perform the steps located here.

NOTE: To generate a CSR, you will need to create a key pair for your server. These two items are a digital certificate key pair and cannot be separated. If you lose your public/private key file and generate a new one, your SSL Certificate will no longer match. You will have to replace the certificate then.

NOTE: All certificates that will expire after October 2013 must have a 2048 bit key size. 

To generate a CSR for Microsoft Exchange 2013 using IIS perform the following steps:

1.    Start IIS by selecting Tools >  Internet Information Services (IIS) Manager

2.    Select Server Certificates

3.    Select Create Certificate Request on the right side

4.    Complete in full all the required fields in the new page that will appear, without any abbreviation, except the country code.

- Common Name: The Fully Qualified Domain Name that the certificate will be issued to and secure.

- Organisation: The Registered Organisational Name the certificate belongs to.

- Organisational Unit: The Department within the Organisation

- City/locality: The Business registered location (not the actual server location)

- State/province: The Business registered state or province

- Country/region: The two letter ISO country code 

5.    Select Next

6.    Select 2048 from the Bit Length: drop down list.


7.    Select Next

8.    Specify the file name and location for the certificate request file


9.    Select Finish

10.    Copy the saved CSR when requesting a certificate including the

            -----BEGIN NEW CERTIFICATE REQUEST----- 

                              [encoded data]

            -----END NEW CERTIFICATE REQUEST----- 

11.    Proceed with the Enrolment.

NOTE: During the enrolment open the file you created from the above steps and copy the contents into the enrollment form when requested for the CSR. 




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