Getting this error when trying to upgrade from 10.8.1 to 10.9.1 using cloudbuilder:
<b>VMExtensionProvisioningError</b> - VM has reported a failure when processing extension 'DSCConfiguration'. Error message: "DSC Configuration 'ServerUpgrade' completed with error(s). Following are the first few: Exception calling "DownloadString" with "1" argument(s): "Unable to connect to the remote server" The PowerShell DSC resource '[ArcGIS_ServerUpgrade]ServerConfigureUpgrade' with SourceInfo 'C:\Packages\Plugins\Microsoft.Powershell.DSC\2.83.2.0\DSCWork\DSC.0\ServerUpgrade.ps1::283::13::ArcGIS_ServerUpgrade' threw one or more non-terminating errors while running the Test-TargetResource functionality. These errors are logged to the ETW channel called Microsoft-Windows-DSC/Operational. Refer to this channel for more details. The SendConfigurationApply function did not succeed."
Any ideas?