Failover Cluster Manager Windows 2012

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  • On a computer that has the Failover Cluster Management Tools installed from the Remote Server Administration Tools, or on a server where you installed the Failover Clustering feature, start Failover Cluster Manager. To do this on a server, start Server Manager, and then on the Tools menu, select Failover Cluster Manager.
  • 'The Resource cluster Hosting Subsystem (RHS) process was terminated and will be restarted. This is typically associated with cluster health detection and recovery of the resource. Refer to the System event log to determine which resource and resource DLL is causing the issue.

Failover Cluster Management snap-in crashes after you install update 2750149 on a Windows Server 2012-based failover cluster. Assume that you install update 2750149 on a Windows Server 2012-based failover cluster, and then you open the Failover Cluster Management snap-in. In this situation, the Failover Cluster Management snap-in crashes, and you. In Part 1 of this multi-part article on using failover clustering with Windows Server 2012 R2, we provided a brief overview of the evolution of Microsoft clustering and then listed the features that are new to clustering in Windows Server 2012 and 2012 R2.

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Applies to: Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, and Windows Server 2012

This topic shows how to create a failover cluster by using either the Failover Cluster Manager snap-in or Windows PowerShell. The topic covers a typical deployment, where computer objects for the cluster and its associated clustered roles are created in Active Directory Domain Services (AD DS). If you're deploying a Storage Spaces Direct cluster, instead see Deploy Storage Spaces Direct.

You can also deploy an Active Directory-detached cluster. This deployment method enables you to create a failover cluster without permissions to create computer objects in AD DS or the need to request that computer objects are prestaged in AD DS. This option is only available through Windows PowerShell, and is only recommended for specific scenarios. For more information, see Deploy an Active Directory-Detached Cluster.

Checklist: Create a failover cluster

StatusTaskReference
☐Verify the prerequisitesVerify the prerequisites
☐Install the Failover Clustering feature on every server that you want to add as a cluster nodeInstall the Failover Clustering feature
☐Run the Cluster Validation Wizard to validate the configurationValidate the configuration
☐Run the Create Cluster Wizard to create the failover clusterCreate the failover cluster
☐Create clustered roles to host cluster workloadsCreate clustered roles

Verify the prerequisites

Before you begin, verify the following prerequisites:

  • Make sure that all servers that you want to add as cluster nodes are running the same version of Windows Server.
  • Review the hardware requirements to make sure that your configuration is supported. For more information, see Failover Clustering Hardware Requirements and Storage Options. If you're creating a Storage Spaces Direct cluster, see Storage Spaces Direct hardware requirements.
  • To add clustered storage during cluster creation, make sure that all servers can access the storage. (You can also add clustered storage after you create the cluster.)
  • Make sure that all servers that you want to add as cluster nodes are joined to the same Active Directory domain.
  • (Optional) Create an organizational unit (OU) and move the computer accounts for the servers that you want to add as cluster nodes into the OU. As a best practice, we recommend that you place failover clusters in their own OU in AD DS. This can help you better control which Group Policy settings or security template settings affect the cluster nodes. By isolating clusters in their own OU, it also helps prevent against accidental deletion of cluster computer objects.

Additionally, verify the following account requirements:

  • Make sure that the account you want to use to create the cluster is a domain user who has administrator rights on all servers that you want to add as cluster nodes.
  • Make sure that either of the following is true:
    • The user who creates the cluster has the Create Computer objects permission to the OU or the container where the servers that will form the cluster reside.
    • If the user does not have the Create Computer objects permission, ask a domain administrator to prestage a cluster computer object for the cluster. For more information, see Prestage Cluster Computer Objects in Active Directory Domain Services.

Note

This requirement does not apply if you want to create an Active Directory-detached cluster in Windows Server 2012 R2. For more information, see Deploy an Active Directory-Detached Cluster.

How To Open Failover Cluster Manager In Windows 2012 Core

Install the Failover Clustering feature

You must install the Failover Clustering feature on every server that you want to add as a failover cluster node.

Install the Failover Clustering feature

  1. Start Server Manager.

  2. On the Manage menu, select Add Roles and Features.

  3. On the Before you begin page, select Next.

  4. On the Select installation type page, select Role-based or feature-based installation, and then select Next.

  5. On the Select destination server page, select the server where you want to install the feature, and then select Next.

  6. On the Select server roles page, select Next.

  7. On the Select features page, select the Failover Clustering check box.

  8. To install the failover cluster management tools, select Add Features, and then select Next.

  9. On the Confirm installation selections page, select Install.
    A server restart is not required for the Failover Clustering feature.

  10. When the installation is completed, select Close.

  11. Repeat this procedure on every server that you want to add as a failover cluster node.

Note

After you install the Failover Clustering feature, we recommend that you apply the latest updates from Windows Update. Also, for a Windows Server 2012-based failover cluster, review the Recommended hotfixes and updates for Windows Server 2012-based failover clusters Microsoft Support article and install any updates that apply.

Validate the configuration

Before you create the failover cluster, we strongly recommend that you validate the configuration to make sure that the hardware and hardware settings are compatible with failover clustering. Microsoft supports a cluster solution only if the complete configuration passes all validation tests and if all hardware is certified for the version of Windows Server that the cluster nodes are running.

Note

You must have at least two nodes to run all tests. If you have only one node, many of the critical storage tests do not run.

Run cluster validation tests

  1. On a computer that has the Failover Cluster Management Tools installed from the Remote Server Administration Tools, or on a server where you installed the Failover Clustering feature, start Failover Cluster Manager. To do this on a server, start Server Manager, and then on the Tools menu, select Failover Cluster Manager.

  2. In the Failover Cluster Manager pane, under Management, select Validate Configuration.

  3. On the Before You Begin page, select Next.

  4. On the Select Servers or a Cluster page, in the Enter name box, enter the NetBIOS name or the fully qualified domain name of a server that you plan to add as a failover cluster node, and then select Add. Repeat this step for each server that you want to add. To add multiple servers at the same time, separate the names by a comma or by a semicolon. For example, enter the names in the format server1.contoso.com, server2.contoso.com. When you are finished, select Next.

  5. On the Testing Options page, select Run all tests (recommended), and then select Next.

  6. On the Confirmation page, select Next.

    The Validating page displays the status of the running tests.

  7. On the Summary page, do either of the following:

    • If the results indicate that the tests completed successfully and the configuration is suited for clustering, and you want to create the cluster immediately, make sure that the Create the cluster now using the validated nodes check box is selected, and then select Finish. Then, continue to step 4 of the Create the failover cluster procedure.

    • If the results indicate that there were warnings or failures, select View Report to view the details and determine which issues must be corrected. Realize that a warning for a particular validation test indicates that this aspect of the failover cluster can be supported, but might not meet the recommended best practices.

      Note

      If you receive a warning for the Validate Storage Spaces Persistent Reservation test, see the blog post Windows Failover Cluster validation warning indicates your disks don't support the persistent reservations for Storage Spaces for more information.

For more information about hardware validation tests, see Validate Hardware for a Failover Cluster.

Create the failover cluster

To complete this step, make sure that the user account that you log on as meets the requirements that are outlined in the Verify the prerequisites section of this topic.

  1. Start Server Manager.

  2. On the Tools menu, select Failover Cluster Manager.

  3. In the Failover Cluster Manager pane, under Management, select Create Cluster.

    The Create Cluster Wizard opens.

  4. On the Before You Begin page, select Next.

  5. If the Select Servers page appears, in the Enter name box, enter the NetBIOS name or the fully qualified domain name of a server that you plan to add as a failover cluster node, and then select Add. Repeat this step for each server that you want to add. To add multiple servers at the same time, separate the names by a comma or a semicolon. For example, enter the names in the format server1.contoso.com; server2.contoso.com. When you are finished, select Next.

    Note

    If you chose to create the cluster immediately after running validation in the configuration validating procedure, you will not see the Select Servers page. The nodes that were validated are automatically added to the Create Cluster Wizard so that you do not have to enter them again.

  6. If you skipped validation earlier, the Validation Warning page appears. We strongly recommend that you run cluster validation. Only clusters that pass all validation tests are supported by Microsoft. To run the validation tests, select Yes, and then select Next. Complete the Validate a Configuration Wizard as described in Validate the configuration.

  7. On the Access Point for Administering the Cluster page, do the following:

    1. In the Cluster Name box, enter the name that you want to use to administer the cluster. Before you do, review the following information:

      • During cluster creation, this name is registered as the cluster computer object (also known as the cluster name object or CNO) in AD DS. If you specify a NetBIOS name for the cluster, the CNO is created in the same location where the computer objects for the cluster nodes reside. This can be either the default Computers container or an OU.
      • To specify a different location for the CNO, you can enter the distinguished name of an OU in the Cluster Name box. For example: CN=ClusterName, OU=Clusters, DC=Contoso, DC=com.
      • If a domain administrator has prestaged the CNO in a different OU than where the cluster nodes reside, specify the distinguished name that the domain administrator provides.

    2. If the server does not have a network adapter that is configured to use DHCP, you must configure one or more static IP addresses for the failover cluster. Select the check box next to each network that you want to use for cluster management. Select the Address field next to a selected network, and then enter the IP address that you want to assign to the cluster. This IP address (or addresses) will be associated with the cluster name in Domain Name System (DNS).

    3. When you are finished, select Next.

  8. On the Confirmation page, review the settings. By default, the Add all eligible storage to the cluster check box is selected. Clear this check box if you want to do either of the following:

    • You want to configure storage later.
    • You plan to create clustered storage spaces through Failover Cluster Manager or through the Failover Clustering Windows PowerShell cmdlets, and have not yet created storage spaces in File and Storage Services. For more information, see Deploy Clustered Storage Spaces.

  9. Select Next to create the failover cluster.

  10. On the Summary page, confirm that the failover cluster was successfully created. If there were any warnings or errors, view the summary output or select View Report to view the full report. Select Finish.

  11. To confirm that the cluster was created, verify that the cluster name is listed under Failover Cluster Manager in the navigation tree. You can expand the cluster name, and then select items under Nodes, Storage or Networks to view the associated resources.

    Realize that it may take some time for the cluster name to successfully replicate in DNS. After successful DNS registration and replication, if you select All Servers in Server Manager, the cluster name should be listed as a server with a Manageability status of Online.

After the cluster is created, you can do things such as verify cluster quorum configuration, and optionally, create Cluster Shared Volumes (CSV). For more information, see Understanding Quorum in Storage Spaces Direct and Use Cluster Shared Volumes in a failover cluster.

Create clustered roles

After you create the failover cluster, you can create clustered roles to host cluster workloads.

Note

For clustered roles that require a client access point, a virtual computer object (VCO) is created in AD DS. By default, all VCOs for the cluster are created in the same container or OU as the CNO. Realize that after you create a cluster, you can move the CNO to any OU.

Here's how to create a clustered role:

  1. Use Server Manager or Windows PowerShell to install the role or feature that is required for a clustered role on each failover cluster node. For example, if you want to create a clustered file server, install the File Server role on all cluster nodes.

    The following table shows the clustered roles that you can configure in the High Availability Wizard and the associated server role or feature that you must install as a prerequisite.

    Clustered RoleRole or Feature Prerequisite
    Namespace ServerNamespaces (part of File Server role)
    DFS Namespace ServerDHCP Server role
    Distributed Transaction Coordinator (DTC)None
    File ServerFile Server role
    Generic ApplicationNot applicable
    Generic ScriptNot applicable
    Generic ServiceNot applicable
    Hyper-V Replica BrokerHyper-V role
    iSCSI Target ServeriSCSI Target Server (part of File Server role)
    iSNS ServeriSNS Server Service feature
    Message QueuingMessage Queuing Services feature
    Other ServerNone
    Virtual MachineHyper-V role
    WINS ServerWINS Server feature

  2. In Failover Cluster Manager, expand the cluster name, right-click Roles, and then select Configure Role.

  3. Follow the steps in the High Availability Wizard to create the clustered role.

  4. To verify that the clustered role was created, in the Roles pane, make sure that the role has a status of Running. The Roles pane also indicates the owner node. To test failover, right-click the role, point to Move, and then select Select Node. In the Move Clustered Role dialog box, select the desired cluster node, and then select OK. In the Owner Node column, verify that the owner node changed.

Create a failover cluster by using Windows PowerShell

The following Windows PowerShell cmdlets perform the same functions as the preceding procedures in this topic. Enter each cmdlet on a single line, even though they may appear word-wrapped across several lines because of formatting constraints.

Note

You must use Windows PowerShell to create an Active Directory-detached cluster in Windows Server 2012 R2. For information about the syntax, see Deploy an Active Directory-Detached Cluster.

The following example installs the Failover Clustering feature.

The following example runs all cluster validation tests on computers that are named Server1 and Server2.

Note

The Test-Cluster cmdlet outputs the results to a log file in the current working directory. For example: C:Users<username>AppDataLocalTemp.

Failover Cluster Manager Install

The following example creates a failover cluster that is named MyCluster with nodes Server1 and Server2, assigns the static IP address 192.168.1.12, and adds all eligible storage to the failover cluster.

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The following example creates the same failover cluster as in the previous example, but it does not add eligible storage to the failover cluster.

The following example creates a cluster that is named MyCluster in the Cluster OU of the domain Contoso.com.

For examples of how to add clustered roles, see topics such as Add-ClusterFileServerRole and Add-ClusterGenericApplicationRole.

Failover Cluster Manager Windows Server 2012

More information

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Applies To: Windows Server 2012 R2, Windows Server 2012

This topic provides an overview of the Failover Clustering feature in Windows Server 2012 R2 and Windows Server 2012. For info about Failover Clustering in Windows Server 2016, see Failover Clustering in Windows Server 2016.

Failover clusters provide high availability and scalability to many server workloads. These include server applications such as Microsoft Exchange Server, Hyper-V, Microsoft SQL Server, and file servers. The server applications can run on physical servers or virtual machines. This topic describes the Failover Clustering feature and provides links to additional guidance about creating, configuring, and managing failover clusters that can scale to 64 physical nodes and to 8,000 virtual machines.

Install Failover Cluster Manager Windows 2012

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Create a hybrid virtualization solution in Microsoft Azure:
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Feature description

A failover cluster is a group of independent computers that work together to increase the availability and scalability of clustered roles (formerly called clustered applications and services). The clustered servers (called nodes) are connected by physical cables and by software. If one or more of the cluster nodes fail, other nodes begin to provide service (a process known as failover). In addition, the clustered roles are proactively monitored to verify that they are working properly. If they are not working, they are restarted or moved to another node. Failover clusters also provide Cluster Shared Volume (CSV) functionality that provides a consistent, distributed namespace that clustered roles can use to access shared storage from all nodes. With the Failover Clustering feature, users experience a minimum of disruptions in service.

You can manage failover clusters by using the Failover Cluster Manager snap-in and the Failover Clustering Windows PowerShell cmdlets. You can also use the tools in File and Storage Services to manage file shares on file server clusters.

Practical applications

  • Highly available or continuously available file share storage for applications such as Microsoft SQL Server and Hyper-V virtual machines

  • Highly available clustered roles that run on physical servers or on virtual machines that are installed on servers running Hyper-V

New and changed functionality

New and changed functionality in Failover Clustering supports increased scalability, easier management, faster failover, and more flexible architectures for failover clusters.

For information about Failover Clustering functionality that is new or changed in Windows Server 2012 R2, see What's New in Failover Clustering.

For information about Failover Clustering functionality that is new or changed in Windows Server 2012, see What's New in Failover Clustering.

Hardware requirements

Failover Cluster Manager Windows 2012 Version

A failover cluster solution must meet the following hardware requirements:

  • Hardware components in the failover cluster solution must meet the qualifications for the Certified for Windows Server 2012 logo.

  • Storage must be attached to the nodes in the cluster, if the solution is using shared storage.

  • Device controllers or appropriate adapters for the storage can be Serial Attached SCSI (SAS), Fibre Channel, Fibre Channel over Ethernet (FcoE), or iSCSI.

  • The complete cluster configuration (servers, network, and storage) must pass all tests in the Validate a Configuration Wizard.

Note

In the network infrastructure that connects your cluster nodes, avoid having single points of failure.

For more information about hardware compatibility, see the Windows Server Catalog.

For more information about the correct configuration of the servers, network, and storage for a failover cluster, see the following topics:

Software requirements

  • You can use the Failover Clustering feature on the Standard and Datacenter editions of Windows Server 2012 R2 and Windows Server 2012. This includes Server Core installations.

  • You must follow the hardware manufacturers' recommendations for firmware updates and software updates. Usually, this means that the latest firmware and software updates have been applied. Occasionally, a manufacturer might recommend specific updates other than the latest updates.

Server Manager information

In Server Manager, use the Add Roles and Features Wizard to add the Failover Clustering feature. The Failover Clustering Tools include the Failover Cluster Manager snap-in, the Failover Clustering Windows PowerShell cmdlets, the Cluster-Aware Updating (CAU) user interface and Windows PowerShell cmdlets, and related tools. For general information about installing features, see Install or Uninstall Roles, Role Services, or Features.

To open Failover Cluster Manager in Server Manager, click Tools, and then click Failover Cluster Manager.

See also

The following table provides additional resources about the Failover Clustering feature in Windows Server 2012 R2 and Windows Server 2012. Additionally, see the content on failover clusters in the Windows Server 2008 R2 Technical Library.

Content typeReferences
Product evaluationWhat's New in Failover Clustering What's New in Failover Clustering in Windows Server 2012 [redirected] Microsoft Server and Cloud Platform Cloud and Datacenter Solutions Hub
PlanningFailover Clustering Hardware Requirements and Storage Options Validate Hardware for a Failover Cluster Network Recommendations for a Hyper-V Cluster in Windows Server 2012
DeploymentInstalling the Failover Clustering Feature and Tools Validate Hardware for a Failover Cluster Prestage Cluster Computer Objects in Active Directory Domain Services Creating a Windows Server 2012 Failover Cluster Deploy Hyper-V over SMB Deploy Scale-Out File Server iSCSI Target Block Storage, How To Install and Configure High Availability Printing Deploy an Active Directory-Detached Cluster Deploy a Hyper-V Cluster Using Guest Clustering for High Availability Deploy a Guest Cluster Using a Shared Virtual Hard Disk Building Your Cloud Infrastructure
OperationsConfigure and Manage the Quorum in a Windows Server 2012 Failover Cluster Use CSVs in a Failover Cluster Cluster-Aware Updating
Tools and settingsFailover Clustering Windows PowerShell Cmdlets
Community resourcesHigh Availability (Clustering) Forum Failover Clustering and Network Load Balancing Team Blog
Related technologiesHyper-V overview File and Storage Services Storage Spaces Scale-Out File Server for Application Data Network Load Balancing Microsoft SQL Server Microsoft Server and Cloud Platform System Center Virtual Machine Manager