1,126 questions with Windows for business | Windows Server | Storage high availability | Clustering and high availability tags
Failover Cluster 2016 to 2022 Error
i have some problem in failover cluster while migrating 2016 to 2022 , i upgraded domain functional level from 8 to 9 What could be the issue ?
Windows for business | Windows Server | Storage high availability | Clustering and high availability
What caused the failover cluster service to fail on the non-owner node?
Hello, today we experienced an issue where the non-owner node on our 2-node cluster had the cluster service fail. After rebooting the node things are stable, but we are trying to figure out the cause. Here is what I've been able to determine: The CSV…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Stretched Cluster Support in Windows Server 2025
Is stretched cluster fully supported in Windows Server 2025, and will this support continue in the future? Is it suitable for production environments? It appears that official information and implementation guides specifically for Windows Server 2025…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Hyper-V - Creating Snapshots/Checkpoints on Clustered VMs
Hi all, I’m running a Windows Server 2022 Datacenter environment with a Hyper-V failover cluster. All my VMs are highly available clustered roles on shared storage (CSV volumes). These VMs are production-critical workloads, including SQL Server…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Windows Failover FC Quorum Disk Persistent Reservation
We have a 2 Node Windows 2022 Cluster with Node Votes+FC connected Quorum Disk. If Node1 is the owner to the VMs,shared disks,cluster and Quorum and if Node1 looses its network connectivity how will the voting work,? It will loose heartbeat between…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Windows Failover cluster
In a Windows Server 2019 failover cluster environment consisting of four domain-joined nodes with the Hyper-V role configured, the Failover Cluster Manager is functioning correctly on only one node. On the remaining nodes, attempts to connect to the…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Event ID 1177 during patching in 2-node Windows Server 2025 cluster with FSW
Hi all, We are running SQL Server 2022 (16.0.4195) with AlwaysOn on a 2-node Failover Cluster on Windows Server 2025. The nodes are patched individually overnight using System Center, one node per night. The cluster uses a File Share Witness hosted on a…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Switch over SQL Server instance on DC VM machine to DRC environment
Hello Expert, is it probably moving current System/Data (include SQL Database instance) on Data Center into Machine on DRC environment Without Replication or High availability system installed before ..? the case scenario is machine on Data Center will…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
all cluster cmdlts toss error "The remote server has been paused or is in the process of being started."
server 2019 new cluster; was getting a lot of event 1237; got my ad admin to allow the cluster dnn to dynamically update it's ip address; event errors went away but then my four nodes dropped like hot potatoes hours later any cluster cmdlt (like…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Server 2022 Hyper-V Cluster Setup Fails
Hope someone can help with an issue I'm having. When creating a Server 2022 Failover Cluster, I continue to timeout issues when joining the cluster. I'll list what I have tried and the setup below. Setup is 2 identical servers. I have run the validation,…
Windows for business | Windows Client for IT Pros | Storage high availability | Virtualization and Hyper-V
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Cluster Update
Hi to all!!!. I have to Cluster Update!!!. All Cluster infrastructure is Windows Server 2016. Can I upgrade directly to Windows Server 2022? Or I have to update first to Windows Server 2019? This Cluster Infrastructure, support a SQL Always On. Thanks
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Change Hyper-v Cluster Name
Dear: When we create Hyper-v Cluster;Enter incorrect cluster name Domain name is contoso.local,Cluster name is ClusterA; But input ClusterA.contoso.local So Cluster name is ClusterA.contoso.local.contoso.local.contoso.local Now I hope change cluster…
Windows for business | Windows Client for IT Pros | Storage high availability | Virtualization and Hyper-V
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Break a Server 2012 r2 2 node cluster
I have a Windows 2012 r2 two node file server failover cluster that has a iSCSI volume attached with file shares. I was wanting to get rid of the cluster and just have one server take care of this. Are the steps simply, destroy the cluster and take one…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Windows for business | Windows Server | User experience | Other

Cluster Validation error - Update level warning
Hello I have 2 server which will node for cluster (vrtx M640) . I performed cluster validation and all the time I received warnings that servers not running the same updates. It is strange because according to update history they have installed same…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Windows for business | Windows Server | User experience | Other

Guest Cluster Windows Server 2019 Core. NIC configure.
Hello! I'm going to build a new hyper-v cluster based on Windows Server 2019 Core on 4 nodes. I'm planning to create the following 5 NIC Management Live Migration Cluster Sevicese Storage Network Should I create separate 5 NIC for first…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Windows for business | Windows Server | User experience | Other

Set-PhysicalDisk -MediaType XXXX -UniqueId abcdefgh --- Reverts after restart.
I'm trying to setup a 2-node WFC with S2D. My disks show as mediatype unspecified. When I run the Set-PhysicalDisk command to set the disks to SSD, this works. But after a restart, the mediatype returns to 'Unspecified'. I'm using Windows Server 2019…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Windows for business | Windows Server | User experience | Other

The storage pool is running out of capacity - S2D / Nested resiliency
Hi everyone, every day a new issue with S2D ;) Yesterday we got the warning: The storage pool is running out of capacity. But where? We have 2 volumes with nested resiliency set up. One with Nested 2 Mirror and one with Parity with 1 TB in size for…
Windows for business | Windows Server | Storage high availability | Clustering and high availability

All our S2D Clusters suddenly freeze and fail when one node is offline
Hello, we are running 12 hyperconverged Hyper-V / S2D Failover Clusters on Server 2019 which were installed during the last 3 years and everything was running fine and stable until a few month ago. 3 of them are 2 node clusters with 4-way mirrored /…
Windows for business | Windows Client for IT Pros | Storage high availability | Virtualization and Hyper-V
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Windows for business | Windows Server | Storage high availability | Other
Do we need a quorum witness created for a 3 node SQL Always On cluster where 2 nodes in 1 datacenter and 1 node in 2nd datacenter?
Do we need a quorum witness created for a 3 node SQL Always On cluster where 2 nodes in 1 datacenter and 1 node in 2nd datacenter? If the production datacenter burns down taking down 2 out of the 3 nodes will the cluster automatically fail over to 3rd…
Windows for business | Windows Server | Storage high availability | Clustering and high availability
Cluster Functional Level
Dear; I have to Upgrade a Windows Server failover cluster with a cluster OS rolling upgrade!!!. My question is: It is necessary to execute Cluster Functional Level Update?. How long can the failover cluster run in mixed-OS mode?. If the Cluster…