1) add user to "Remote Desktop Users":
Control panel (Ovladaci panely) -> System -> Task / Remote Settings (Ulohy / Vzdalena nastaveni) -> Select User (Vybrat uzivatele)

2) allow remote login privilege to "Remote Desktop Users" group:
Start -> Programy -> Nastroje pro spravu -> Mistni zasady zabezpeceni
Mistni zasady -> Prirazeni uzivatelskych prav -> Povolit prihlaseni terminalovou sluzbou -> Add User or Group (Pridat uzivatele nebo skupinu)
add group "Remote Desktop Users"