The following instructions will guide you through the CSR generation process on Microsoft IIS 5 & 6.
Click Start, Control Panel, Administrative Tools, and then select Internet Information Services (IIS) Manager.
In the left menu, click + next to your local computer and then Web Sites.
Right-click the website (i.e. Default Web Site) that you want to protect and click Properties.
In the Default Web Site Properties window, select the Directory Security tab, click Server Certificate…, and then Next.
Select Create a New Certificate and then click Next.
Note: For renewing an existing SSL Certificate, select "Renew, Remove, or Replace your certificate" and skip to Step 7.
Select Prepare request now, but send it later and then click Next.
Enter a friendly name for your certificate, select a Bit Length of 2048, and click Next, without checking the boxes.
Note: Please name the certificate something you can easily recognize in the future. This will only be an internal reference name and will not be part of your SSL certificate.
Enter your legally incorporated Organization Name and Organizational Unit such as "IT Security" and click Next.
Enter your Common Name which will be the FQDN (fully qualified domain name) on your SSL certificate.
Note: For Wildcard Certificates, you must add the asterisk symbol in the left furthest sub-domain (i.e. *.domainname.com) which is what enables an unlimited number of coverage at that specific level.
Select the Geographic Location for your company and click Next.
Click Browse to specify the location where you want to save the CSR as a ".txt" file and click Next.
Review the Request File Summary and if changes are required, click Finish.
Locate and open the newly created CSR from the specified location you choose in a text editor such as Notepad and copy all the text including:
Log into your Sectigo account
Click on the Provide CSR on our website and paste the entire CSR into the blank text box and continue with completing the generation process.