221g administrative processing h1b extension stamping

I had given my H1b visa for stamping via Dropbox on 11 Jan and on 19 Jan the passport was returned to me with 221g with a requirement of fingerprinting and interview after my interview I was told that I will get the visa as there is no problem in my application . Though it was mentioned that due to back log it will take time , it has been two weeks and it’s still under administrative processing so I’m worried and I would like your advise on this .