WINDOWS CAN NOT COMPLETE THE PASSWORD CHANGE FOR ADMINISTRATOR

HI
I HAVE INSTALLED WINDOWS SEREVER 2003.MY PROBLEM IS,NOW I TRYING TO CHNGE MY ADMINISTRATOR PASSWORD.BUT MASSAGE SHOWING WINDOWS CANNOT COMPLETE PASSWORD CHANGE FOR ADMINISTRATOR BECAUSE:THE PASSWORD DOES NOT MEET
THE PASSWORD REQUIREMENTS.CHECK THE MINIMUM PASSWORD LENGTH,PASSWORD COMLEXITY AND PASSWORD HISTORY REQUIREMENTS.EVEN I AM NOT WILLING SET COMLEX PASSWORD,BUT ONLY NORMAL PASSWORD.PLEASE HELP ME SET THE NORMAL PASSWORD.

THANKING YOU,
ANIL DUBEY