I feel your pain. My almost thirteen year old Lady seemed to forget her potty training when we moved a few months ago. She just refused to use her pads.
I used a Seabreeze xpen. She was confined in the same room with me and was only allowed the roam after she went potty.
Is Geronimo pad trained or outdoor trained?
If Geronimo is pad trained, make sure you walk him to the pads so he knows where they are now. He may also not like where you put his pads. Lady has always had her pads by the backdoor in my other house, but did not like that spot here. She selected a new spot here
and I moved the pads accordingly!
Be patient. It took a couple of weeks for Lady to get back on track.