It's a well known hazard. If you're sure there are no performance issues, then this type of solution is available: http://support.microsoft.com/?kbid=293650 _____ From: Rick Piedade [mailto:rpiedade@xxxxxxxxxxxxxxxx] Sent: Monday, August 15, 2005 11:18 AM To: [ExchangeList] Subject: [exchangelist] Requesting data pop ups in Outlook http://www.MSExchange.org/ Hi everyone, Anyone know what causes this in Outlook? The network side is fine. T3 connects users to Exchange server. Too many users on Exchange? Mailboxes too big? Thx