Internet Security and Acceleration Server 2004 Solution Center

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Support for the Windows Server 2003 Network Access Quarantine Control feature in ISA Server 2006 and in ISA Server 2004
Describes ISA Server support for the Quarantine Control feature of Windows Server 2003.
Configuration changes that are made to Routing and Remote Access when you install Internet Security and Acceleration (ISA) Server 2004
Describes some of the changes that are made to your existing Routing and Remote Access configuration when you upgrade that configuration to ISA Server 2004.
How to publish a Microsoft Exchange server for Outlook Web Access in ISA Server 2006, in ISA Server 2004, or in Microsoft Forefront Threat Management Gateway, Medium Business Edition
Describes how to configure an Exchange server and an ISA Server-based computer or Microsoft Forefront Threat Management Gateway, Medium Business Edition to provide an SSL connection to Outlook Web Access clients.

Internal firewall client computers and SecureNAT client computers cannot connect to external servers
Fixes a problem by which Internal Firewall client computers and SecureNAT clients cannot connect to external servers through ISA Server 2004. The ISA Server always uses an MSS value of 1460 and not the correct MSS value.
The "Maximum number of VPN clients allowed" value is reset when you install ISA Server 2004 Enterprise Edition and join the server to an existing array
Fixes a problem where the maximum number of VPN connections is reset to the default value when you join the server to an existing array during installation of ISA Server 2004 Enterprise Edition.
The Firewall service may not start in Internet Security and Acceleration (ISA) Server 2004 after you select a certificate for a, SSL listener
Provides a fix for a problem where the Firewall service may not start in Internet Security and Acceleration (ISA) Server 2004 after you select a certificate for a, SSL listener.

Error message after you use the ISA2KExport.exe tool to migrate ISA Server 2000 to ISA Server 2004, Standard Edition
Describes a resolution for a "This tool requires Microsoft Internet Security and Acceleration (ISA) Server 2000 Standard Edition and ISA Server Service Pack 1 (or later)" error message in ISA Server 2000.
The ISA Server 2000 Administration Tools console is no longer available after you install the ISA Server 2004 Administration Tools
Explains that Microsoft does not support a parallel installation of ISA Server 2004 Administration Tools and ISA Server 2000 Administration Tools on the same computer.
ISA Server 2004 firewall clients that use IPSec in the internal network cannot access external networks
Describes a problem where internal network clients cannot access the external network. Symptoms occur on ISA Server 2004 firewall clients that use IPSec and NAT.