It is HIGHLY recommended (per Shinder book p. 208-212) that your external interface have static addressing.. I don't know of a scenario whereby ISA SERVER can be programmed to change automatically.. You will have to change PACKET FILTERS, and published servers when this occurs.. Glen Howard II, MCP Systems Administrator "Let's talk about it later, Let's WORK on it Now!!" -----Original Message----- From: Jimmy Marklund [mailto:jimmy.marklund@xxxxxxxxxxxxxxx] Sent: Thursday, March 13, 2003 6:43 AM To: [ISAserver.org Discussion List] Subject: [isalist] Problems with DHCP on external nework card http://www.ISAserver.org Hi! I have a problem with my ISA server. I seem to loose the external ip adress, wich is assigned by DHCP. If i stop all ISA services I receive an adress just fine, but when ISA server is Activated I can`´connect to my ISP:s dhcp. What have I missed? Regards/ Jimmy¨ ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Exchange Server Resource Site: http://www.msexchange.org/ Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: ghoward@xxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')