Have you checked out the Concepts and Examples Guide - Chapter 11 - High Availablity? It does a good job of explaining how to do so. You do not need a license to run two boxes in HA mode.
Kevin Barker
JNCIP-SEC
JNCIS-ENT, FWV, SSL
JNCIA-ER, EX, IDP, UAC, WX
Juniper Networks Certified Instructor
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J-Partner Service Specialist - Implementation
If this worked for you please flag my post as an "Accepted Solution" so others can benefit. A kudo would be cool if you think I earned it.
