The council issued a statement after a briefing Friday by Secretary-General Ban Ki-moon on the international conference he co-chaired in Kabul on Afghanistan's future.
The council says it supports the transition to an "Afghan-led process which aims to accelerate Afghan leadership and ownership" in a country where international organization now play a sizable role.
At Tuesday's conference, over 60 countries endorsed President Hamid Karzai's plan for Afghan police and soldiers to take charge of security nationwide by 2014.