Error "0x80070520 A specified logon session does not exist" when binding certificate in IIS 7 Windows Server 2008

Solution ID:    SO12997


When editing bindings on a web site to configure an SSL certificate in IIS 7, the following error occurs.


The Private Key was not made exportable from a backup file of the SSL certificate when importing to the server.


Import the backup file of the SSL certificate again and ensure you check the box "Allow this certificate to be exported".


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