Simplify the following text for a Grade 9 native English-speaking person.
Original: Close to the release of Windows 2000 Service Pack 1 , Microsoft released Windows 2000 Datacenter Server , targeted at large-scale computing systems with support for 32 processors , on 29 September 2000 .
Simplified: On September 29 , 2000 , Microsoft released Windows 2000 Datacenter .