Cannot download configuration from {0}. Downloading over HTTP is not allowed. To ensure security while downloading configurations ...

Cannot download configuration from {0}. Downloading over HTTP is not allowed. To ensure security while downloading configurations use an HTTPS address for the ServerUrl in the DownloadManagerCustomData of the LocalConfigurationManager resource for this device. If you understand the security implications of using HTTP and want to allow its use on this device, set AllowUnsecureConnection property to true in the DownloadManagerCustomData of the LocalConfigurationManager resource for this device.