SOLDIERX.COM Nobody Can Stop Information Insemination

Guys i want to ask what can be a maximum time taken by a tscrack for terminal server located in a same LAN. I tried it in the my own home lan but it took more than 2 hrs with no result. it has 15 letter passwd.

if anybody tried it plz help i need to use only a bruceforce tool. so how many hours i have to wait!

thanks !