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Navigate to the server and right click on "Site Info" icon in the address bar
In the site info dialog box click "Connector is secure"
Click the "Certificate is valid" link to open the certificate dialog window
Ensure the correct certificate information is being shown
On the "Details" tab of the certificate dialog click the "Export" button
after clicking the "Export" button the save dialog will offer several types of exports to save select the one needed by the application i.e. some application may only need the single certificate and some may need the full certificate chain. Select the type and save the file.
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