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  • Blog Post: Understanding the Repair Active Directory Object Recovery Action

    One of the responsibilities of cluster Network Name resource is to rotate the password of the computer object in Active Directory associated with it. When the Network Name resource is online, it will rotate the password according to domain and local machine policy (which is 30 days by default). If...
  • Blog Post: Validating a Cluster with Zero Downtime

    Hi Cluster Fans, As you may already know, the requirements for having a supported cluster have been significantly simplified since the release of Windows Server 2008. There is no longer a need to have every component in the configuration listed in the Windows Server catalog as any commodity hardware...
  • Blog Post: Understanding Quorum in a Failover Cluster

    Hi Cluster Fans, This blog post will clarify planning considerations around quorum in a Failover Cluster and answer some of the most common questions we hear. The quorum configuration in a failover cluster determines the number of failures that the cluster can sustain while still remaining online...
  • Blog Post: Clustering & High-Availability at TechEd Europe

    Hi Cluster Fans, In a few weeks the cluster team will be presenting at TechEd Europe from November 8-12 in Berlin, Germany. Additionally, several partner teams and Cluster MVPs will also be delivering high-availability sessions. Throughout the week, the team will be staffing the cluster booth,...
  • Blog Post: Creating a Cluster Resource DLL (Part 5): Logs

    Hi, In this series of blog posts we will help you to design, develop and debug the Resource DLL you are developing to give your application high-availability with Windows Server 2008 & 2008 R2 Failover Clustering. We recommend you start with the other blog post in the series: ·...
  • Blog Post: Creating a Cluster Resource DLL (Part 4): IsAlive & LooksAlive

    Hi, In this series of blog posts we will help you to design, develop and debug the Resource DLL you are developing to give your application high-availability with Windows Server 2008 & 2008 R2 Failover Clustering. We recommend you start with the other blog post in the series: ·...
  • Blog Post: New Clustering Utility – Remote Desktop Connection Manager

    Hi Cluster Fans, We wanted to let you know about a new tool which will significantly help you manage your cluster deployments. Remote Desktop Connection Manager is actually not cluster-specific, but it allows you to logically group server remote desktop connections – ideal if you are working...
  • Blog Post: Introduction to the Cluster Quorum Model (Part 2)

    Hi, A few weeks ago we gave an overview of the cluster quorum model: http://blogs.msdn.com/b/clustering/archive/2010/05/14/10012930.aspx This week we will provide some more details about when and how the different types are used. Node Majority & Node and Disk Majority The...
  • Blog Post: Clustering & High-Availability at TechEd 2010

    Hi, The Clustering team is coming to TechEd New Orleans from June 7-10! Sign up now at: http://northamerica.msteched.com/ In addition to many technical presentation, t he team will be manning the Cluster Booth (Orange - WSV - 7) throughout the week, so please stop by to ask your...
  • Blog Post: Introduction to the Cluster Quorum Model

    Failover clusters ensure that workloads such as File Server, Exchange, SQL, and Virtual Machines are highly available. These resources are considered highly available if the nodes that host resources are up, however the cluster generally requires more than half the nodes to be running, which is known...
  • Blog Post: PowerShell for Failover Clustering: Understanding Error Codes

    Hi, This blog is about how to handle error codes returned by PowerShell Failover Clustering CMDlets. For an introduction to this topic you can take a look at http://blogs.msdn.com/clustering/archive/2009/05/23/9636665.aspx . Cluster CMDlets can fail for various different reasons, such as passing...
  • Blog Post: Upcoming Webcasts: Clustering & High-Availability

    Hi Cluster Fans, Over the next few weeks the cluster team is offering a series of public TechNet webcasts focusing on Failover Clustering in Windows Server 2008 R2. High Availability Server Apps with Windows Server 2008 R2 Failover Clusters Link: https://msevents.microsoft.com/CUI/WebCastEventDetails...
  • Blog Post: 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...
  • Blog Post: R2 Print Cluster? Get this Hotfix! KB 976571

    Hi Cluster Fans, Many of you use Failover Clustering to prov ide high-availability to your print servers to ensure that the print spooler resource stays up and running. We have recently released a Rollup Hotfix specific to print clustering which contains several fixes to improve the stability of...
  • Blog Post: Dynamic Disks with Windows Server Failover Clustering

    Since Failover Clustering traditionally requires shared storage (you could also use hardware or software replication between nodes), we get a lot of questions about which shared storage types we support. Windows Server Failover Clustering has a very flexible storage model that allows a wide variety of...
  • Blog Post: Copying VHDs onto a CSV Disk? Use the Coordinator Node!

    With Cluster Shared Volumes (CSV) one of the nodes in the cluster is responsible for synchronization of access to files on a shared volume. This is the node which currently owns the cluster ‘Physical Disk’ resource associated with that LUN, which is referred to as the Coordinator node. Each...
  • Blog Post: PowerShell Help Online & Management Pack Updates for Failover Clustering & NLB

    Hi Cluster Fans, We have added Windows Server 2008 R2 PowerShell help on TechNet and have updated our Management Packs to support 2008 R2 for System Center Operation Manager (SCOM), for both Failover Clustering and Network Load Balancing. PowerShell Help Online With PowerShell help online...
  • Blog Post: Microsoft Site Recovery Solutions Featuring Windows Server 2008 R2 Failover Clustering

    Hi cluster fans, This week Microsoft is launching an end-to-end solution to help customers deploy integrated Site Recovery Solutions ( http://blogs.technet.com/virtplanet/ ). This launch shows how Microsoft and partners like HP, EMC, HDS, NetApp, DataCore, DoubleTake and SteelEye are leveraging...
  • Blog Post: Failover Clustering Performance Counters – Part 3 – Examples

    Hi cluster fans, This third post in our series about Failover Clustering Performance Counters will give some practical examples of how to use this new Windows Server 2008 R2 feature to help troubleshoot your cluster. In Part 1 of this blog series we discussed Performance Counters and their interaction...
  • Blog Post: Failover Clustering Performance Counters - Part 2

    Hi Cluster Fans, In Part 1 of this blog series we discussed Performance Counters and their interaction with the Network, Multicast Request Reply, Global Update Manager and Database clustering components. This post will look at monitoring some additional cluster components: the Checkpoint Manager,...
  • Blog Post: Creating and Configuring a Generic Script Resource

    Hi, In recent posts I discussed how to create and configure Generic Applications and Generic Services . In this post I will talk about creating the third of our generic containers, Generic Scripts. What is Generic Script Resource Type? The Generic Script resource type allows us to achieve...
  • Blog Post: PowerShell for Failover Clustering: Let’s Rename a Few Things

    Hi Cluster fans, In this blog post, I’ll walk you through how to rename a couple of objects in your failover clusters using the new PowerShell CMDlets we’ve introduced in Windows Server 2008 R2. Trying to rename a cluster group in the GUI is easy, just right-click on the group, rename, enter the...
  • Blog Post: PowerShell for Failover Clustering: Changing Values of a Cluster Object

    Hi, This post will discuss changing values of cluster objects using PowerShell in Windows Server 2008 R2. For resources and other components in a cluster, every cluster object has properties (common property). Parameters (private properties) are optional and a cluster object may or may not have...
  • Blog Post: Failover Clustering Performance Counters - Part 1

    Hi Cluster Fans, In Windows Server 2008 R2 we have added performance counters for Failover Clustering. Performance counters are like meters you have on some devices in your house. For instance, your electrical or water meter tracks what utilities you have consumed or your thermometer shows you the...
  • Blog Post: PowerShell for Failover Clustering: Read-Only Cluster Access

    Hi cluster fans, Amongst the list of new features we introduced in Windows Server 2008 R2 Failover Clustering is “read-only cluster access”. Before Windows Server 2008 R2, you were either given full control on the cluster or no control at all. If you wanted to give anyone access to your cluster...
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