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  • Blog Post: New Guided Walkthrough for troubleshooting problems relating to Event ID 1135 in a Failover Clustering environment

    I wanted to post about a new walkthrough that we have to help in troubleshooting an Event 1135 on a Failover Cluster. As a bit of a background, Failover Clustering sends a heartbeat from and to each node of a Cluster to determine its health and if it responding. If it does not respond in certain time...
  • Blog Post: Failover Cluster Node Startup Order in Windows Server 2012 R2

    In this blog, my Colleague, JP, and I would like to talk about how to start a Cluster without the need of the ForceQuorum (FQ) switch. We have identified 3 different scenarios and how the Cluster behaves when you turn on the nodes in a certain order for Windows Server 2012 R2. I first want to mention...
  • Blog Post: Errors Retrieving File Shares on Windows Failover Cluster

    Hi AskCore, Chinmoy here again. In today’s blog, I would like to share one more scenario in continuation to my previous blog on Unable to add file shares in Windows 2012 R2 Failover Cluster . This is about WinRm a setting that could lead to failure on adding file shares using Windows 2012/2012R2...
  • Blog Post: Troubleshooting Activation Issues

    Today, Henry Chen and I are going to talk about troubleshooting some activation issues that we often run into. To begin, here is an article which talks about what Microsoft Product Activation is and why it is important. Also, this article explains KMS Activation. Now, let’s jump into some...
  • Blog Post: How big should my OS drive be?

    My name is Michael Champion and I've been working in support for more than 12 years here at Microsoft. I have been asked by many customers "What is the recommended size for the OS partition for Windows Server?". There are minimum recommendations in the technical documentation (and release...
  • Blog Post: So what exactly is the CLIUSR account?

    From time to time, people stumble across the local user account called CLIUSR and wonder what it is, while you really don’t need to worry about it; we will cover it for the curious in this blog. The CLIUSR account is a local user account created by the Failover Clustering feature when it is...
  • Blog Post: CROSS POST: How Shared VHDX Works on Server 2012 R2

    In the not far back point in time, there was a blog done by Matthew Walker that we felt needed to also be on the AskCore site as well due to the nature and the popularity of the article. So we are going to cross post it here. Please keep in mind that the latest changes/updates will be in the original...
  • Blog Post: Unable to add file shares in a Windows 2012 R2 Failover Cluster

    My name is Chinmoy Joshi and I am a Support Escalation Engineer with the Windows Core team. I’m writing today to share information regarding an issue which I came across with multiple customers recently. Consider a two node 2012 R2 Failover Cluster using shared disks to host a File Server role...
  • Blog Post: Building Windows Server Failover Cluster on Azure IAAS VM – Part 2 (Network and Creation)

    Hello, cluster fans. In my previous blog, Part 1 , I talked about how to work around the storage block in order to implement Windows Server Failover Cluster on Azure IAAS VM. Now let’s discuss another important part – Networking in Cluster on Azure. Before that, you should know some basic...
  • Blog Post: Deciphering Storport Traces 101

    Welcome back to the CORE Team Blog -- Paul Reynolds here. In previous blogs, I wrote about how to capture Storport traces in Windows 8 and Windows 2012. Please see: Tracing with Storport in Windows 2012 and Windows 8 with KB2819476 hotfix And Tracing with Storport in Windows 2012 and...
  • Blog Post: Windows Azure Pack: Infrastructure as a Service Jump Start

    Free online event with live Q&A with the WAP team: http://aka.ms/WAPIaaS Two half-days – Wednesday July 16 th & Thursday July 17 th – 9am-1pm PST IT Pros, you know that enterprises desire the flexibility and affordability of the cloud, and service providers want the ability...
  • Blog Post: Software-Defined Networking with Windows Server and System Center Jump Start

    Free online event with live Q&A with the WAP team: http://aka.ms/WAPIaaS Two half-days – Wednesday July 16 th & Thursday July 17 th – 9am-1pm PST IT Pros, you know that enterprises desire the flexibility and affordability of the cloud, and service providers want the ability...
  • Blog Post: Is Offloaded Data Transfers (ODX) working?

    Offloaded Data Transfers (ODX) was a new data transfer strategy that makes advancements in moving files. Only storage devices that comply with the SPC4 and SBC3 specifications will work with this feature. With this feature, copying files from one server to another is much quicker. This feature is only...
  • Blog Post: 2012R2 iSCSI Target Settings for Configuring a Specific Network

    Let's say you have a 2012R2 iSCSI Target Server with multiple networks configured. We all know that iSCSI traffic should be on a separate network. So how do you go by configuring iSCSI to use a specific network on the target server? In previous version of Windows this was much easier to find since...
  • Blog Post: Introducing Script Browser - A world of scripts at your fingertips

    To reuse script samples on the Internet, the following steps seem quite familiar to IT Pros: wandering through different script galleries, forums and blogs, switching back and forth between webpages and scripting environment, and countless download, copy and paste operations. But all of these will drive...
  • Blog Post: How to Configure MSDTC to Use a Specific Port in Windows Server 2012/2012R2

    My name is Steven Graves and I am a Senior Support Escalation Engineer on the Windows Core Team. In this blog, I will discuss how to configure MSDTC to use a specific port on Windows Server 2012/2012R2 as this has slightly changed from the way it is configured in Windows Server 2008 R2 in order to prevent...
  • Blog Post: Removing .NET Framework 4.5/4.5.1 removes Windows 2012/2012R2 UI and other features

    This is Vimal Shekar and Krishnan Ayyer from the Windows Support team. Today in this blog, we will be discussing about an issue that we are seeing increasingly being reported in support. We will look at the effects of removing .Net Framework from a Windows Server 2012/2012 R2 installation. Windows...
  • Blog Post: What’s New in Windows Servicing: Service Stack Improvements: Part 3

    Servicing Stack improvements in KB2821895 for Windows 8, and How its assists the upgrade to 8.1? My name is Aditya and I am a Sr. Support Escalation Engineer for Microsoft on the Windows Core Team. This blog is a continuation of the previous Servicing Part 1. So to understand this blog better, it...
  • Blog Post: What’s New in Windows Servicing: Reduction of Windows Footprint : Part 2

    My name is Aditya and I am a Sr. Support Escalation Engineer for Microsoft on the Windows Core Team. This blog is a continuation of the previous Servicing Part 1. So to understand this blog better, it is recommended that one reads the previous blog post. As mentioned in the previous, this is a 4 part...
  • Blog Post: Failover Clustering and Active Directory Integration

    My name is Ram Malkani and I am a Support Escalation Engineer on Microsoft’s Windows Core team. I am writing to discuss how Failover Clustering is integrated with Active Directory on Windows Servers. Windows Server Failover Clustering, has always had a very strong and cohesive attachment with...
  • Blog Post: What’s New in Windows Servicing: Part 1

    My name is Aditya and I am a Senior Support Escalation Engineer for Microsoft on the Windows Core Team. I am writing today to shed some light on a the new changes that have been made to the Windows Servicing Stack in Windows 8.1 and Windows Server 2012 R2. This is a 4 part series and this is the first...
  • Blog Post: Configuring Windows Failover Cluster Networks

    In this blog, I will discuss the overall general practices to be considered when configuring networks in Failover Clusters. Avoid single points of failure: Identifying single points of failure and configuring redundancy at every point in the network is very critical to maintain high availability...
  • Blog Post: What's New in Defrag for Windows Server 2012/2012R2

    Hello everyone, I am Palash Acharyya, Support Escalation Engineer with the Microsoft Platforms Core team. In the past decade, we have come a long way from Windows Server 2003 to all the way to Windows Server 2012R2. There has been a sea-change in the overall Operating System as a whole, and we have added...
  • Blog Post: RAP as a Service (RaaS) from Microsoft Services Premier Support

    In this post, I’m excited to discuss a new Premier Support offering called Risk Assessment Program (RAP) as a Service (or RaaS for short) . For those that are not familiar with RAP, it is a Microsoft Services Premier Support offering that helps prevent serious issues from occurring by analyzing...