Cisco 8865 - Cannot Access Self Care Portal; Security Error Message

Cisco IP Phone 8861 and 8865 Wireless LAN Deployment Guide
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• A confirmation page will be displayed if the installation was successful.
• Disable SCEP enrollment challenge password requirement via regedit by setting EnforcePassword to 0.
(HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Cryptography > MSCEP > EnforcePassword)
• SCEP uses the certificate template that is set in the registry for issuing certificates.
(HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Cryptography > MSCEP)