If you have not already done so, add your website certificate by importing it into Windows Server 2003 by read the following post: Windows Server 2003: Import a Certificate into MMC.
To add your certificate to a website through Internet Information Services (IIS), follow the procedures below.
- Open IIS Manager, expand Web Sites, and select your website e.g. www.example.com
- Right-click on the website
To create a .pfx file for use in Windows IIS to enable https or for other uses then you need the following files:
- a private key file
- an intermediate certificate from the certificate provider (.crt or .cert) e.g. GoDaddy’s intermediate certificate: gd_bundle-g1-g1.crt
- a certificate