Problem whit Windows Home when traing to connect Outlook 2003 whit a Excha

Hello,
i have the fouling problem:
I’m using windows xp home edition and i have tray to connect my outlook 2003 to mi EXCHANGE account but every time its pop up this error telling me that i have insufficient memory right after i type in the password.
I mention that i have installed the service pack fore win xp home :
http://support.microsoft.com/?kbid=331320
and that on win Xp Professional all works fine whit no problems. And when i tray to configure a pop3 account all works fine under xp home.