除非有在Exchange Performance Optimizer作設定,不然的話,Exchange Server 5.5 為了有最好的performance,會使用所有available RAM,當有其他AP需要時才會釋放記憶體 " v5 請到此網頁參看以下兩篇文章http://support.microsoft.com/search/
0 H; L& {! D, f: k* s9 p% IQ182505 Memory Usage of Store.exe Is Higher in Exchange 5.5 7 ^  T. l6 J; X- n
Q184699 Store.exe Working Set Performance Counter Keeps Growing