It is a RPC / Communication with GC/AD issue. Hope this helps...http://www.microsoft.com/technet/prodtechnol/exchange/2000/library/u tda.mspx I your GC overloaded during when the errors appear? /Gill _____ From: Rick Piedade [mailto:rpiedade@xxxxxxxxxxxxxxxx] Sent: Monday, August 15, 2005 11:18 PM 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 ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp ------------------------------------------------------ Visit TechGenix.com for more information about our other sites: http://www.techgenix.com ------------------------------------------------------ You are currently subscribed to this MSEXchange.org Discussion List as: ssgill@xxxxxxxxxxxxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Report abuse to listadmin@xxxxxxxxxxxxxx