Back to the basics! Have your considered confining him to a smaller area as you restart his potty training? Giving him access to all those place to mark will be tough to control. Honing in his access might be a good place to start.
Good luck, just think about the success at the end, and be patient!
__________________ .  Cali  , and Cali's keeper and staff, Jay No, not a "mini" Yorkie - She loves to motor in her Mini Cooper car |