1)Do you have any .pkm files in your Gen V folder? There are file .pkm in Gen V Folder
2)Do you have set the IP same on DS as in the Shiny GTS? I don't Know.
3)Do you have a firewall on? No.
Note: I have used it
In Pokèmon Black with Hyper GTS I have a problem:
when i connect with Nintendo WFC: Error Code: 13274
Port 80 and 53 are open! I am Sure!
ShinyGTS don't work for me...
Sorry for my english, i'm italian!