Hello, We have Exchange2000 & Outlook2000- when a user mail box's size is over the limit , the system automatically generate a warning message "Your mailbox has exceeded one or more size limits set by your administrator --etc -See client Help for more information.". How do I customized the above message ? Is there a software or tools I can use to modify it . Apparently you can not customized the message according to the tutorial here. ANy help is much appreciated. Ngoc.