Multiple Site Bindings and Credential Provider Issues

    Applies to:
  • Legacy SecureAuth IdP
Deployment model:
  • On Premises
  • SecureAuth IdP Version affected: All


    Users are unable to login through the Credential Provider when multiple site bindings is enabled in IIS and see the following error in the error logs:

    Error Message: This collection already contains an address with scheme https. There can be at most one address per scheme in this collection. If your service is being hosted in IIS you can fix the problem by setting 'system.serviceModel/serviceHostingEnvironment/multipleSiteBindingsEnabled' to true or specifying 'system.serviceModel/serviceHostingEnvironment/baseAddressPrefixFilters'.


    Multiple Site Bindings is enabled in IIS and that must be enabled in the SecureAuth web.config.


    1. Go to the SecureAuth Admin Panel
    2. Go to the SecureAuth998 realm > System Info tab
    3. Scroll down to the bottom and look for "Click here to edit WebConfig"
    4. Search for the following:
      <serviceHostingEnvironment multipleSiteBindingsEnabled=”False”/>
    5. Change to "True"
      <serviceHostingEnvironment multipleSiteBindingsEnabled=”True”/>
    6. Click "Save"
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