Can anyone help me with this error? In addition I would like to know where the ISA errors are documented, I always seem to be looking for documentation about an error and can?t seem to find it. Or, maybe ISA 2004 is so new there is no documentation? Nothing Here: http://support.microsoft.com/search/default.aspx?qu=21171 Two Hits Here: http://www.google.com/search?hl=en <http://www.google.com/search?hl=en&lr=&biw=1131&q=21171+%22The+VPN+connecti on+attempt%22> &lr=&biw=1131&q=21171+%22The+VPN+connection+attempt%22 Event Type: Warning Event Source: Microsoft Firewall Event Category: None Event ID: 21171 Date: 6/21/2005 Time: 9:16:23 PM User: N/A Computer: GATEWAY Description: The VPN connection attempt by user GATEWAY\Administrator from VPN client IP address 206.63.251.3 could not be established. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Data: 0000: 21 00 04 c0 !..À -Wayne