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Creating an SSL certificate in IIS


Article Information
Article ID: 4
Author: Greg Hedgepath
Created: 6/25/2008
Modified: 6/25/2008
Views: 5,060
 CSR Generation: Microsoft IIS 5.x & 6.x
Solution

Generating an IIS SSL Certificate Signing Request (CSR) using Microsoft IIS 5.x / 6.x

A CSR is a file containing your IIS SSL certificate application information, including your Public Key. Generate your CSR and then copy and paste the CSR file into the webform in the enrollment process:

Generate keys and Certificate Signing Request:

  • Select Administrative Tools
  • Start Internet Services Manager

IIS SSL server certificate - internet services manager

  • Open the properties window for the website the CSR is for. You can do this by right clicking on the Default Website and selecting Properties from the menu
  • Open Directory Security by right clicking on the Directory Security tab

IIS SSL server certificate - directory security

  • Click Server Certificate. The following Wizard will appear:

IIS SSL server certificate - IIS Certificate wizard

  • Click Create a new certificate and click Next.

IIS SSL server certificate - immediate request

  • Select Prepare the request and click Next.

IIS SSL server certificate - security settings

  • Provide a name for the certificate, this needs to be easily identifiable if you are working with multiple domains. This is for your records only.
  • If your server is 40 bit enabled, you will generate a 512 bit key. If your server is 128 bit you can generate up to 1024 bit keys. We recommend you stay with the default of 1024 bit key if the option is available. Click Next

IIS SSL server certificate - organization

  • Enter Organisation and Organisation Unit, these are your company name and department respectively. Click Next.

IIS SSL server certificate - domain name

  • The Common Name field should be the Fully Qualified Domain Name (FQDN) or the web address for which you plan to use your IIS SSL Certificate, e.g. the area of your site you wish customers to connect to using SSL. For example, an Instant SSL Certificate issued for comodogroup.com will not be valid for secure.comodogroup.com. If the web address to be used for SSL is secure.comodogroup.com, ensure that the common name submitted in the CSR is secure.comodogroup.com. Click Next.

IIS SSL server certificate - region

  • Enter your country, state and city. Click Next.

IIS SSL server certificate - file name

IIS SSL server certificate - file summary

  • Check the details you have entered. If you have made a mistake click Back and amend the details. Be especially sure to check the domain name the Certificate is to be "Issued To". Your IIS SSL Certificate will only work on this domain. Click Next when you are happy the details are absolutely correct.
  • When you make your application, make sure you include the CSR in its entirety into the appropriate section of the enrollment form - including
    -----BEGIN CERTIFICATE REQUEST-----to-----END CERTIFICATE REQUEST-----
  • Click Next
  • Confirm your details in the enrollment form
  • Finish
  • Click This Link to Order your 1 year InstantSSL Pro Certificate

To save your private key:

  • Go to: Certificates snap in in the MMC
  • Select Requests
  • Select All tasks
  • Select Export

We recommend that you make a note of your password and backup your key as these are known only to you, so if you loose them we can't help! A floppy diskette or other removable media is recommended for your backup files.


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