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Understanding how Failover Clustering Recovers from Unresponsive Resources

First published on MSDN on Jan 24, 2013 In this blog I will discuss how Failover Clustering communicates with cluster resources, along with how clustering detects and recovers when something goes wrong. For the sake of simplicity I will use ... continue reading
Let me Count the Ways: Determining Why the System Process Consumes 100% of a Single CPU Core

Let me Count the Ways: Determining Why the System Process Consumes 100% of a Single CPU Core

NOTE: This blog is going through a specific issue in order to help show the steps involved in troubleshooting this type of issue. The process name(s) referenced in this content, except for System, can be any process, and not just ... continue reading

Step by Step: Creating a JEA endpoint for DNS management

First published on TECHNET on Mar 07, 2017 Just Enough Administration (JEA) provides a way for administrators to delegate certain admin tasks to non-administrators using PowerShell. Unlike some of the other built-in delegation solutions in Windows, JEA is not tied ... continue reading
Overview of Device Guard in Windows Server 2016

Overview of Device Guard in Windows Server 2016

First published on TECHNET on Sep 20, 2016 With thousands of new malware released every day, it may not be sufficient to only use signature-based detection to fight against malware. Device Guard on Windows Server 2016 changes from a mode ... continue reading

Step by Step: Shielding existing VMs without VMM

First published on TECHNET on Sep 01, 2016 Continuing on the topic of Shielded VMs from my last blog on creating shielded VMs, this blogpost will share my learnings from validating the scenario. This blogpost doesn't dive deep in terminologies ... continue reading
Windows Server 2016 Failover Cluster Troubleshooting Enhancements - Cluster Log

Windows Server 2016 Failover Cluster Troubleshooting Enhancements – Cluster Log

First published on MSDN on May 14, 2015 Cluster Log Enhancements This is the first in a series of Blogs that will provide details about the improvements we have made in the tools and methods for troubleshooting Failover Clusters with ... continue reading
Troubleshooting Cluster Shared Volume Recovery Failure – System Event 5142

Troubleshooting Cluster Shared Volume Recovery Failure – System Event 5142

First published on MSDN on Mar 26, 2015 In the last post http://blogs.msdn.com/b/clustering/archive/2014/12/08/10579131.aspx we discussed event 5120, which indicates that Cluster Shared Volumes (CSV) observed and error and attempted to recover. In this post we will discuss cases when recovery ... continue reading
Cluster Shared Volume Failure Handling

Cluster Shared Volume Failure Handling

First published on MSDN on Oct 27, 2014 This is the fourth blog post in a series about Cluster Shared Volumes (CSV). In this post we will explain how CSV handles storage failures and how it hides failures from applications ... continue reading

Cluster Shared Volume Diagnostics

First published on MSDN on Mar 13, 2014 This is the second blog post in a series about Cluster Shared Volumes (CSV). In this post we will go over diagnostics. We assume that reader is familiar with the previous blog ... continue reading

Event ID 5120 in System Event Log

First published on MSDN on Feb 26, 2014 When conducting backups of a Windows Server 2012 or later Failover Cluster using Cluster Shared Volumes (CSV), you may encounter the following event in the System event log: Log Name: System Source: ... continue reading