Tracking Microsoft ISA Server versions

A lot of Microsoft customers have difficulties in correctly recognize installed version of their ISA Server installations.

Versions numbers are not so easy to find online so here the full list for ISA Server 2000 / 2004 / 2006:

• ISA Server 2000 RTM = 3.0.1200.50


• ISA Server 2000 SP1 = 3.0.1200.166


• ISA Server 2000 FP1 = 3.0.1200.235


• ISA Server 2000 SP2 = 3.0.1200.365



• ISA Server 2004 RTM (Standard) = 4.0.2161.50


• ISA Server 2004 RTM (Enterprise) = 4.0.3439.50


• ISA Server 2004 SP1 (Standard) = 4.0.2163.213


• ISA Server 2004 SP2 (Standard) = 4.0.2165.594


• ISA Server 2004 SP2 (Enterprise) = 4.0.3443.594



• ISA Server 2006 RTM (Standard/Enterprise) = 5.0.5720

Note: The list will be updated with further releases.