If you're only using two ISA servers, then standard edition should probably do the trick. If you expect that your needs will eventually grow beyond this, then you may want to think about investing in Enterprise edition and an ISA-only AD structure. Jim Harrison MCP(NT4/2K), A+, Network+, PCG ----- Original Message ----- From: "Vinaykumar G" <G.Vinay@xxxxxxxxx> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> Sent: Tuesday, October 23, 2001 10:11 PM Subject: [isalist] Urgent help please!!! http://www.ISAserver.org Hi All, Iam using ISA server as a standalone server(Standard Edition) and we want to implement parallel ISA server as backup so that if the original firewall is down for some reason the backup ISA server should act immediately.For this to implement Do we need to buy the standard Edition or Enterprise Edition of ISA server to implement this backup scenario. Any inputs would be greatly appreciated. Vinay, MCP+I,MCSE ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: jim@xxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')