Windows Server 2012 R2 Failover Cluster Event ID 1146

Anonymous
2022-04-04T08:30:08.78+00:00

Hello, We are getting issue on the hyper v failover cluster Event ID : 1146 The cluster resource host subsystem (RHS) stopped unexpectedly. An attempt will be made to restart it. This is usually due to a problem in a resource DLL. Please determine which resource DLL is causing the issue and report the problem to the resource vendor. Server OS: Windows Server 2012 r2 Followed this link https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd353936(v=ws.10)?redirectedfrom=MSDN but could not find the option to do the changes on the 2012 r2 failover cluster manager. Attached is the error![189536-capture.png][1] [1]: /api/attachments/189536-capture.png?platform=QnA

Windows Server
Windows Server
A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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Hyper-V
Hyper-V
A Windows technology providing a hypervisor-based virtualization solution enabling customers to consolidate workloads onto a single server.
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Windows Server Clustering
Windows Server Clustering
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Clustering: The grouping of multiple servers in a way that allows them to appear to be a single unit to client computers on a network. Clustering is a means of increasing network capacity, providing live backup in case one of the servers fails, and improving data security.
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  1. Limitless Technology 39,461 Reputation points
    2022-04-07T10:56:55.167+00:00

    Hi anonymous user

    You can use the Cluster Validation Wizard to further converge on the troubleshooting step that you need to perform to sort the issue. Before you create a failover cluster, it is strongly recommended that you run all the cluster validation tests.

    Cluster validation is intended to do the following:

    -Find hardware or configuration issues before a failover cluster goes into production.
    -Help ensure that the clustering solution you deploy is dependable.
    -Provide a way to validate changes to the hardware of an existing cluster.

    Validate Hardware for a Failover Cluster
    https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/jj134244(v=ws.11)

    Below threads discusses the same issue and you can try out some troubleshooting steps from this and see if that helps you to sort the Issue.

    https://social.technet.microsoft.com/Forums/en-US/93fb9aa4-ec72-4647-b194-1b33aa826fd2/failover-cluster-manager-windows-server-2012-r2-event-id-1146?forum=winserverhyperv

    https://social.technet.microsoft.com/Forums/en-US/af6d6b99-f5be-4bdd-bca2-c940324053eb/running-cluster-validation-wizard-on-production-cluster-without-fear?forum=winserverClustering

    Hope this resolves your Query!!

    --
    --If the reply is helpful, please Upvote and Accept it as an answer–

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  2. Washer, Keith 1 Reputation point
    2022-09-08T21:21:18.23+00:00

    Check for any memory dumps on the host, and if one exists download and install windbg via the windows SDK. I found our issue was due to Cisco Endpoint Security as it relies on the bitdefender trufos.sys dll. This was causing windows explore to crash on our new test cluster hosts, and caused latency when cluster shared volumes were being failed over to other nodes.

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