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Tuesday, September 29, 2009 1:22 PM

Network Load Balancing (NLB) configuration settings in Forefront TMG: to clear or not to clear?

Introduction Network Load Balancing integration is one of the features that existed in the previous version of Forefront Threat Management Gateway (TMG), Internet Security and Acceleration (ISA) Server 2006. The concept of this functionality is described
Posted by isablog | 0 Comments
Thursday, September 03, 2009 11:34 PM

Time Matters - When ISA Server is affected by Windows Time settings

1. Introduction As the title of this post suggests, this is all about time and keeping systems in sync. Many administrators think that time just matters if Kerberos is somehow involved in the deployment, which is not true. This post will describe two
Posted by isablog | 0 Comments
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Monday, June 22, 2009 10:47 PM

ISA Integrated NLB - Multicast with IGMP… ISA “blocks” IGMP packets

Introduction After configuring ISA Integrated NLB to use multicast with IGMP, you may see blocked IGMP packets between your ISA array members. The ISA nodes don't need these packets to work properly, and it's ok when they are blocked by the Firewall Engine.
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Monday, February 23, 2009 11:47 AM

How-to get NLB to work with Forefront TMG Beta2 when running in Hyper-V.

If you are running your Forefront TMG servers as Windows 2008 Hyper-V guests and you have enabled NLB in TMG, you may have noticed that the NLB cluster nodes fail to converge. There is a known issue with Unicast NLB and Hyper-V that affects ISA 2006 and
Posted by isablog | 3 Comments
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