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Client computers cannot access external resources, and event ID 14147 appears in the Application log in ISA Server 2006, ISA Server 2004, Microsoft Forefront Threat Management Gateway, Medium Business Edition, or Windows Essential Business Server 2008
Article ID: 884496 - View products that this article applies to.
On the computer that is running Microsoft Internet Security and Acceleration (ISA) Server, Microsoft Forefront Threat Management Gateway, Medium Business Edition, or Windows Essential Business Server 2008, you may experience all the following symptoms:
This issue occurs if the ISA Server or Microsoft Forefront Threat Management Gateway, Medium Business Edition network objects do not match the routing table entries that ISA Server uses to understand the network topology. Event ID 14147 may be logged when you first create a remote site network when you configure a site-to-site VPN connection in ISA Server.
ISA Server requires that only one network adapter is associated with a single ISA Server network, and that network adapter IP addresses are not configured in more than one network. IP address ranges must be configured correctly for ISA Server network objects, and match the routing table. Network object definitions should include all remote subnets that can be reached through the adapter that is associated with the network. Additionally, persistent static routes should be defined in the routing table for each remote subnet.
For more information about how to troubleshoot network configuration issues, visit the following Microsoft Web site:
http://go.microsoft.com/fwlink/?LinkID=60491For more information about how to configure ISA Server network objects, visit the following Microsoft Web site:
Article ID: 884496 - Last Review: December 4, 2007 - Revision: 3.6