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Wildcard SSL Instructions

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Configuring Your Site - IIS 7 (after your wildcard SSL is installed)


1.    Click on Start, then Administrative Tools, then Internet Information Services (IIS) Manager.


2.    Click on the server name.


3.    Expand the Sites folder.


4.    Select the site to be secured (usually the default web site).


5.    From the "Actions" menu (on the right), click on "Bindings..." under Edit Site.

6.    In the "Site Bindings" window, click "Add..." This will open the "Add Site Binding" window.

7.    Under "Type" choose https. The IP address should be the IP address of the site or All Unassigned, and the port over which traffic will be secured by SSL is usually 443. The "SSL Certificate" field should specify your wildcard domain (*

8.    Click "OK."

9.    Your SSL certificate is now installed, and the website configured to accept secure connections.


Configuring your wildcard to cover additional host headers (subdomains) on your server.

Once you have this configured you then need to run the following command (found in C:\Windows\System32\Inetsrv\) for each site you want to secure (IE:,, etc):

appcmd set site /"<SiteName>" /+bindings.[protocol='https',bindingInformation='*:443:<HostHeader>']

Replace <SiteName> with your name of your site (IE: MyWebsite2), and replace <HostHeader> with your sub domain (IE:

Return to IIS and you will now see that your sites have a HTTPS binding with a host header and the SSL certificate that was specified for your Default Web Site is selected, and it is also bound using your wildcard SSL.

One last point to make here is that if you try to edit this binding IIS will delete the host header and change the SSL certificate back to ‘Not Selected’. If this happens you will need to delete the binding and re-run the command line to add it again.