Transfer of Blue Card from Germany to The Netherlands

Hello, currently I am Blue Card holder in Germany and I am relocating to The Netherlands.

They said that they will transfer my Blue Card from Germany to The Netherlands so how much time does it takes once you get all the necessary documents?


    Hello, currently I am Blue Card holder in Germany and I am relocating to The Netherlands.
They said that they will transfer my Blue Card from Germany to The Netherlands so how much time does it takes once you get all the necessary documents?
   

    -@thereis

Someone said they will do something, ask them directly when, why ask here?