D365 F&O Deployment to on-prem failed during download

If the deployment of Dynamics 365 for finance and operations fails after preparing phase when the asset is downloading you should check the logs. If there is a message like the one below just verify that the orchestrator nodes are online and click retry.

MachineName

SRV-XYZ

Message

Unable to download asset xyzxyzxyzxyzxyzxyz

Detail

at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo) at System.Environment.get_StackTrace() at Microsoft.Dynamics.Operations.Local.LocalAgentEvents.LocalAgentEventHelpers.ErrorPrettify(LocalAgentEventSource source, Exception ex, Int32 errorCode, String format, Object[] values) at OrchestrationService.LcsArtifactsProvider.d__10.MoveNext() at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining, Task& currentTask) at System.Threading.Tasks.Task.FinishContinuations() at System.Threading.Tasks.Task`1.TrySetResult(TResult result) ...