On 3 June 1999, Milošević accepted the terms of an international peace plan to end the fighting, with the national parliament adopting the proposal amid contentious debate with delegates coming close to fistfights at some points.
After some additional, small investments through the end of 1998 to early 1999, a new $25 million round of funding was announced on June 7, 1999, with major investors including the venture capital firms Kleiner Perkins and Sequoia Capital.
On 12 June, after Milošević accepted the conditions, the NATO-led peacekeeping Kosovo Force (KFOR) began entering Kosovo. KFOR had been preparing to conduct combat operations, but in the end, its mission was only peacekeeping. It was based upon the Allied Rapid Reaction Corps headquarters commanded by then Lieutenant General Mike Jackson of the British Army.
The first NATO troops to enter Pristina on the 12th of June 1999 were Norwegian special forces from Forsvarets Spesialkommando (FSK) and soldiers from the British Special Air Service 22 S.A.S., although to NATO's diplomatic embarrassment Russian troops arrived first at the airport.