To install the Thawte Intermediate CA certificates, perform the following steps:
Step 1: Determine the SSL product type
Each Thawte SSL product requires the installation of a specific Intermediate CA file. Be sure to download and install the correct Intermediate CA file in order for the SSL certificate to function correctly. If unsure of the correct product type, click on the link below and run a search for the certificate using the common name or order number.
Step 2: Download the Thawte Intermediate CA file
Download the appropriate Thawte Intermediate CA from the following article: AR1384
Note: Be sure to use Vi or Notepad as word processing programs like Microsoft Wordpad may add additional characters that may render the certificate unusable.
Step 3: Create a Certificate Snap-in
Step 4: Install the Thawte Intermediate CA file
Note: A restart of the Web site(s) from within IIS may be necessary in order for the changes to take affect.