Thx For Quick Reply the both HD are ok , i connect the second HD which include server 2003 as a slave HD , i'm trying to edit Boot.ini Is It Right ? [boot loader] timeout=30 default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS [operating systems] multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Windows XP Professional" /noexecute=optin /fastdetect multi(0)disk(0)rdisk(1)partition(1)\WINDOWS="Server 2003" nothing happen when i'm trying to run 2003