vm extension is not getting deployed

VM has reported a failure when processing extension 'ConfigureAsHciHost' (publisher 'Microsoft.Powershell' and type 'DSC'). Error message: 'DSC Configuration 'ASHCIHost' completed with error(s). Following are the first few: PowerShell DSC resource DSC_xRemoteFile failed to execute Set-TargetResource functionality with error message: Invoking web request failed with error. The remote name could not be resolved: 'ashcisandbox.azureedge.net' PowerShell DSC resource DSC_xRemoteFile failed to execute Set-TargetResource functionality with error message: Invoking web request failed with error. The remote name could not be resolved: 'ashcisandbox.azureedge.net' The SendConfigurationApply function did not succeed. LCM failed to start desired state configuration manually.'. More information on troubleshooting is available at https://aka.ms/VMExtensionDSCWindowsTroubleshoot. (Code: VMExtensionProvisioningError)