Well in the Original Perdition I have 2 of those files and also in the two other version's those files can be found, Either outside of the UI folder or inside but they are there..
server_charname_eq2_uisettings(1280-1024).ini
I think the give away in the file name could be the 'uisettings' part hehe
Anyways you need to rename it to somthing like this,
unrest_tess07_eq2_uisettings.ini
And place it in the main eq2 folder