I looked into it and it seems that the quests were all changed to all races around March or April of 2002.
People start complaining around March. Person posts March 9 saying
"*looks at his Hero's Khukri* HEY! Since when can noniksar use these! Sacrilge!"
http://web.archive.org/web/200204090...html?item=7029
In April, Absor responded to a thread by a player
http://web.archive.org/web/200212251...ML/000545.html