You probably don't have the list servers patch, as you said TSF works, but JJ2 1.23 doesn't, so go here to download them.

Click here to download the Jazz2 1.23 list servers patch:
http://www.iespana.es/albertocastill...2listpatch.exe

If you wanna speed up your connections to the list servers on TSF just download this one:
http://www.iespana.es/albertocastill...Flistpatch.exe


Well, enough already, for more info check my FAQ.