i can access http://myserver/public on the clients computer, its not shown any error when try to point to public folders. yes i have used the IIS, exchange and ISA server on a same box. Thanks, Rudi System Administrator. -----Original Message----- From: Mark Fugatt Sent: Fri 9/20/2002 7:54 AM To: [ExchangeList] Cc: Subject: [exchangelist] RE: error 80004005! 9 times out of 10 this is because IE on that machine is configured to use a Proxy Server, is this the case with yours? Mark Fugatt Pentech Office Solutions Inc www.4mcts.com www.exchangetrainer.com Tel: 585 586 3890 Fax: 585 249 0316 Cell: 585 576 4750 Visit www.msexchange.org for valuable information about Microsoft Exchange -----Original Message----- From: Some1 [mailto:some1@xxxxxxxxxxxx] Sent: Thursday, September 19, 2002 8:50 PM To: [ExchangeList] Subject: error 80004005! hi gurus, does anybody knows this following error? "The Operations Failed" "ID no. 80004005" "Exchange System Manager" this error occur on when i trying to expand my public folders on exchange system manager. i have follow the instruction on microsoft article ( http://www.microsoft.com/exchange/techinfo/tips/Svr_80004005.asp) regarding on this matter! but still doesn't work. can anybody to help me??? Pleeeeeeasssssssssse......... thanks, Rudi System Administrator!