I find when I use foreach -parallel , all of them can stop ,Not all of them are running successfully,I tried to start it many times, but it still doesn't work;
it said :Start-AzApplicationGateway : Long running operation failed with status 'Failed'. Additional Info:'An error occurred.' At StopStartAppGW:42 char:42 + + CategoryInfo : CloseError: (:) [Start-AzApplicationGateway], CloudException + FullyQualifiedErrorId :Microsoft.Azure.Commands.Network.StartAzureApplicationGatewayCommand

