C:Documents and SettingsJCHavenDesktop>qwinsta /server:192.168.21.3
SESSIONNAME    USERNAME     ID     STATE      TYPE DEVICE
console                      0     Conn       wdcon
rdp-tcp                  65536     Listen     rdpwd
rdp-tcp#2      Yoda          1     Active     rdpwd
rdp-tcp#18     Yoda          2     Active     rdpwd C:Documents and SettingsJCHavenDesktop>rwinsta /server:192.168.21.3 2
Thanks to Scott Forsyth!