I was getting this as well. Try starting the IISAdmin service and trying it again, fixed it for me Paul Crisp Snr Network Support Analyst -----Original Message----- From: Tomasz Skorupa [mailto:tskorupa@xxxxxxxx] Sent: Tuesday, May 25, 2004 12:04 PM To: [ISAserver.org Discussion List] Subject: [isalist] Problem with installing isa sp2 Importance: High http://www.ISAserver.org Hello, I try to install isa sp2 on on my isa2k (with sp1 and post sp1 hotfixes) working on widows 2003. Here some info from ISA2000ServicePack2.log "... 172.217: DoInstallation: CustomizeCall failed : 0xff4e 174.150: The program cannot register the fltrsnk1.dll file. Select 'OK' to undo the changes that have been made, or select 'Cancel' to quit. If you select 'Cancel', your system will be left in a partially updated state and may not work correctly. ... " Maybe You have suggestions how to correct this. Best regards, Tomasz Skorupa ------------------------------------------------------ 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 ------------------------------------------------------ Other Internet Software Marketing Sites: Leading Network Software Directory: http://www.serverfiles.com No.1 Exchange Server Resource Site: http://www.msexchange.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: pcrisp@xxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')