Terminal Server File Associations

I have been doing some Google and MS Support searching for a problem with my file associations.  We have several clients on the shop floor and for the most part everything is working right.  however lately it seems we are getting files in a folder which do not have associations with them.  They do have new extensions so I can see why they do not have associations with them, but if I login to the terminal server as administrator and create an association for notepad which, they have the rights to run, those associations do not carry to each user.
 
I have looked at KB257592.  I did enable the user-specific registry entry, but that does not seem to take effect.  I was even going to go as far as copying the file type registry from my HKLU to the other HKU's, but I cannot figure out which SID is which user.
 
Has anyone else come across this issue?  I am pulling the last of my hair out trying to resolve this and I would be much appreciative to anyone who can offer some advice, tips or anything to try out.