System Requirements - avast! Server Edition

For a computer with Windows NT 4 Server: 486 processor, 64 MB RAM, 80 MB of free hard disk space, Service Pack 3 or higher installed

For a computer running Windows™ 2000/2003 Server: Pentium class processor, 128 MB RAM (256 MB recommended), 80 MB of free hard disk space

All editions of Windows server-based operating systems are supported, including Windows NT Terminal Server Edition, Windows 2000 Advanced Server, Windows 2000 Datacenter Server, Windows 2003 Server Web Edition, Windows 2003 Server Enterprise Edition, Windows 2003 Server Datacenter Edition, and Windows Storage Server 2003.

The program itself requires about 20 MB of hard disk space, the rest is reserved for the virus recovery database file and its index (VRDB, also known as the "integrity database" from the previous version) and the Virus Chest.

A functional MS Internet Explorer 4 or higher is required for the program to work.

This product cannot be installed on a workstation (desktop) operating system

System Requirements - avast! Server Edition Plug-ins

avast! Exchange Server Edition

Same as for avast! Server Edition, plus:

Microsoft Exchange 2000 with SP2 or higher, or
Microsoft Exchange 2003

avast! ISA Server Edition

Same as for avast! Server Edition, plus

Microsoft Proxy Server 2.x, or
Microsoft ISA Server 2000, or
Microsoft ISA Server 2004

avast! SMTP Server Edition

Same as for avast! Server Edition. Functional MS SMTP Service (part of the IIS) required.

avast! SharePoint Server Edition

Same as for avast! Server Edition, plus

Microsoft SharePoint Portal Server 2001, or
Microsoft SharePoint Portal Server 2003, or
Microsoft Windows SharePoint Services 2003