What is new for NLB in Windows Server 2008R2?

  In Windows Server 2008 R2 several improvements have been made to the Network Load Balancing (NLB) technology.    Extended Affinity In the past, affinity was only honored for open connections when a failover occurs.  In 2008 R2 we added what is known as “Extended Client Affinity”.  When Extended Affinity is enabled and node membership… Read more

FAQ Week for NLB: Friday

Every day this week the Clustering & High-Availability is writing about some of the top questions we get about Network Load Balancing (NLB) in Windows Server 2008 R2.  We hope you find these helpful!   ·         Monday: http://blogs.msdn.com/b/clustering/archive/2010/07/20/10040072.aspx ·         Tuesday: http://blogs.msdn.com/b/clustering/archive/2010/07/20/10040467.aspx ·         Wednesday: http://blogs.msdn.com/b/clustering/archive/2010/07/21/10041067.aspx ·         Thursday: http://blogs.msdn.com/b/clustering/archive/2010/07/22/10041612.aspx   Gary Jackman Software Test Engineer Network Load… Read more

FAQ Week for NLB: Thursday

Every day this week the Clustering & High-Availability is writing about some of the top questions we get about Network Load Balancing (NLB) in Windows Server 2008 R2.  We hope you find these helpful!   ·         Monday: http://blogs.msdn.com/b/clustering/archive/2010/07/20/10040072.aspx ·         Tuesday: http://blogs.msdn.com/b/clustering/archive/2010/07/20/10040467.aspx ·         Wednesday: http://blogs.msdn.com/b/clustering/archive/2010/07/21/10041067.aspx   Gary Jackman Software Test Engineer Network Load Balancing Microsoft  … Read more

FAQ Week for NLB: Wednesday

Every day this week the Clustering & High-Availability is writing about some of the top questions we get about Network Load Balancing (NLB) in Windows Server 2008 R2.  We hope you find these helpful!   ·         Monday: http://blogs.msdn.com/b/clustering/archive/2010/07/20/10040072.aspx ·         Tuesday: http://blogs.msdn.com/b/clustering/archive/2010/07/20/10040467.aspx   Gary Jackman Software Test Engineer Network Load Balancing Microsoft     Can I… Read more

FAQ Week for NLB: Tuesday

Every day this week the Clustering & High-Availability is writing about some of the top questions we get about Network Load Balancing (NLB) in Windows Server 2008 R2.  We hope you find these helpful!   ·         Monday: http://blogs.msdn.com/b/clustering/archive/2010/07/20/10040072.aspx   Gary JackmanSoftware Test EngineerNetwork Load BalacingMicrosoft     What is the maximum number of hosts that… Read more

FAQ Week for NLB: Monday

Every day this week the Clustering & High-Availability is writing about some of the top questions we get about Network Load Balancing (NLB) in Windows Server 2008 R2.  We hope you find these helpful!   Gary Jackman Software Test Engineer Network Load BalacingMicrosoft       Does NLB require special network adapters?   No, Network… Read more

Deploying Network Load Balancing (NLB) and Virtual Machines on Windows Server 2008 R2

When running NLB as a Virtual Machine (VM) guest using Windows Server 2008 R2 Hyper-V you need to be aware of some specific configurations settings in Hyper-V host prior to configuring NLB.   In Hyper-V, the VM host prevents dynamic MAC address updates as an extra layer of security in the datacenter.  This is because the… Read more

Have a Passion for High-Availability? We are looking for new Cluster MVPs!

Hi Cluster Fans,   The MVP program is a way in which we thank active members in the Cluster and HA community for their contributions towards growing and supporting our products (more info).  Our MVP program focuses on the Failover Clustering and Network Load Balancing technologies.  We are looking to grow our MVP program by… Read more

Network Load Balancing in R2: Using ETW Tracing

Hi,   We are going to talk about a new feature in Windows Server 2008 R2 for Failover Clustering, ETW tracing.  With this added functionality, we have provided a mechanism of tracing why NLB has decided to drop or accept a given network packet.   This blog provides the following information on the new ETW… Read more

Installing Network Load Balancing (NLB) on Windows Server 2008 R2

Hi,    This post will describe several ways to install Network Load Balancing (NLB) using the command line interface.  In Windows Server 2008 R2 installing Windows Features using scripts at the command line has changed a little since Windows Server 2008.  There are four ways to install the feature:   1.       Server Manger UI 2.       Command Prompt… Read more