The following instructions are generally only applicable if you already have a Private Key, SSL Certificate and Intermediate CA Certificate.
A PKCS12 (PFX) file is a specially formatted file which includes the SSL Certificate, Private Key and optionally any required Intermediate CA Certificates. The file has an extension of .PFX and is compatible with Windows Internet Information Service (IIS).
The PKCS12 (PFX) file will be compressed and saved as a ZIP file, please ensure to UNZIP it before import. The (PKCS12) PFX file should include all required components (SSL Certificate, Private Key and any required Intermediate CA Certificates).
Importing a PKCS12 (PFX) file into Microsoft IIS is generally a straight forward process. Please review the instructions below or follow the instructions that are provided by Microsoft, refer to your server documentation or contact your server vendor.
Step 1 : Open Internet Information Services (IIS) Manager. Locate your website profile in the left column (usually this will be called "Default Web Site") and right click on it. Choose "Properties" then in the window that opens click the "Directory Security" tab.
Step 2 : Click the 'Server Certificate' button and the Server Certificate wizard will start.
Step 3 : A list of options should appear in the Server Certificate wizard. Choose "Import From PFX" or similar.
If the "Import From PFX" option was not displayed and a dialogue box appeared to complete a "Pending Certificate Request", choose the option to "Cancel The Pending Request" and try again.
If there is already an SSL Certificate installed on the website profile, you must remove or delete the SSL Certificate and then try again. We recommend creating a backup before removing or deleting any existing SSL Certificates.
Step 4 : Browse to the .PFX and enter the associated password when prompted.
Step 5 : Follow any instructions displayed throughout the wizard. Occasionally a restart of IIS may be required before the new SSL Certificate is recognized.
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