Hi,
Based on my research, I would like to suggest the following:
1.
Installed the certificate.
2.
Please check the option “Do not prompt for client certificate selection when no certificates or only one certificate exists.”:
Client Certificate Selection Prompt
http://blogs.msdn.com/b/ieinternals/archive/2009/09/03/client-certificate-selection-prompt.aspx
Hope this helps.
Thanks.
Nicholas Li - MSFT
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