Kaspersky Anti-Virus for MS ISA Server / Enterprise Edition will be released in the middle - at the end of April We use a very old system called Microsoft ISA Server (Internet Security and Acceleration server) as our proxy and client VPN server for. ISA Server is the integrated edge security gateway that helps protect your IT environment from Internet-based threats while ISA Server is available for download in both Standard Edition and Enterprise Edition. This document provides detailed installation instructions for Microsoft® Internet Security and Acceleration (ISA) Server Enterprise Edition. Before installing . ISA Server is the integrated edge security gateway that helps protect your IT environment from Internet-based ISA Server is available for. Installing ISA Server Enterprise Edition (beta) in a Unihomed Workgroup Configuration Post Installation Tasks Part 3. Recommended. Microsoft Internet Security and Acceleration (ISA) Server Help Specify an alternate Configuration Storage server (Enterprise Edition) · Use a published.