SSIS Data Flow Task hangs on excecution of Pre-excecute phase

Question

I have a Data Flow Task that is hanging on excecution.
The flow is simple, makes two queries to different tables (Both with a couple of joins), then sorts and merges th

Answer 1

I ran into the same issue a few minutes ago and the suggestions above didn't work for me (delay validation = true seems to be the go to answer). We've recently discovered some issues with parameter sniffing and once I remedied that in my stored procedures, my package ran in < 1 min. Consider checking your stored procedures to see if this might be the cause.