ISA Server 2006 System Requirements

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Microsoft Internet Security and Acceleration Server 2006

You can check system requirements for Internet Security and Acceleration (ISA) Server 2006 on this page.

Standard and Enterprise Editions

You will need the following minimum system configuration to use ISA Server 2006 Standard or Enterprise Edition.

Minimum Requirements

Processor	PC with a 733 MHz Pentium III or higher processor.
Operating System	Microsoft Windows Server 2003 32-bit operating system with Service Pack 1 (SP1) or Microsoft Windows Server 2003 R2 32-bit.
Memory	512 megabytes (MB) of RAM or more is recommended.
Hard Disk	NTFS-formatted local partition with 150 MB of available hard-disk space; additional space will be required for Web cache content.
Other Devices	Network adapter that is compatible with the computer's operating system for communication with the internal network; one additional network adapter, modem, or ISDN adapter for each additional network connected to the ISA Server computer One additional network adapter is required for intra-array communications for ISA Server 2006 Enterprise Edition integrated NLB CD-ROM or DVD-ROM drive VGA or higher-resolution monitor Keyboard and Microsoft Mouse or compatible pointing device

Notes:

We recommend that all customers deploy current security implementation best practices, including applicable hotfixes, as outlined at the Microsoft TechNet Security Center.
ISA Server 2006 Standard Edition supports up to four CPUs on one server.

Actual system requirements will vary based on your deployment configuration, expected load, and the features you choose to install.