Ensure the cookies from the IP address of the device that is being accessed are not currently being blocked.
Windows Vista, Windows 7 and Windows 2008 server users should ensure that the IP address of the device being accessed is included in their browser's Trusted Sites Zone and that Protected Mode is not on when accessing the device.
Enable AKC Download Server Certificate Validation
If the device (or CC-SG) administrator has enabled the Enable AKC Download Server Certificate Validation option:
Administrators must upload a valid certificate to the device or generate a self-signed certificate on the device. The certificate must have a valid host designation.
Each user must add the CA certificate (or a copy of self-signed certificate) to the Trusted Root CA store in their browser.
