Failover Cluster DNS changes/updates
Hi All, We have a failover cluster in place for our SQL environment. I have noticed that when it fails over it creates a new DNS record for the new IP of the SQL listener. I have removed all the DNS records, created one and then I have set up the DNS…
HyperV Failover Cluster Validation complains about RDMA
Hi, I've just upgraded our HyperV cluster with 3 new machines running Windows Server 2022. We first ran Windows Server 2016 so I had to upgrade to 2019 first before I could move completely to 2022. Before each upgrade of the cluster I ran a…
Unable to create cluster
This account may not have enough CPU cores to start a cluster. Contact your administrator to increase the limits.
Microsoft Hyper-v server 2019 - issues with DNS on HYPERV Failover Cluster
Hello, From few weeks , I have a problem with this error: Can you help me how to resolve this error ? I see that in DNS everything is ok , because I see no errors here. Everything is with OK status. Did you have the same errors…
Removing virtual switches (1Gb) from hosts in the HYPER-V cluster and adding new virtual switches (25Gb) - query about consequences
Hello. I will be changing network cards in my hyper-v cluster (the hyper-v cluster consists of 4 physical hosts with 1Gb network cards). The operating system installed on the physical hosts is Windows server 2019 Datacenter. We have over 100 virtual…
How will the HYPER-V cluster behave during an interruption in access to the computer network?
I have a HYPER-V failover cluster at work. The cluster consists of 4 physical servers on which we have installed several dozen virtual machines. The HYPER-V cluster also includes two disk arrays containing the aforementioned virtual machines. In the…
How do I reclaim space on a shared storage cluster after I have deleted a vxhd?
Ok My Shared Storage Cluster is almost completely full. I am in the process of getting a new server and more staorage but for now I need to clean up my current one. I found a VM that had a 500GB hard drive that was not being used. I dismounted the drive…
On VM, Create Cluster Wizard only allows 2 characters per IP octet
Hello all, I'm attempting to recreate a failover cluster. On the step where I'm asked to provide a name and IP address for the cluster's access point I'm able to type in a hostname and the correct network is showing up below but when I try to type in…
CreateClusterResourceType failing with 193 error on Windows server 2025 preview edition
I am using CreateClusterResourceType() API to create a cluster resource type. My code is working on all supported windows server including windows 2019 and windows 2022. But same method has started throwing 193 error when executing on Windows 2025…
Failover Cluster Manager Access is Denied
Hi, This is Arun. We have Virtualization setup with 3+1 High availability Cluster configuration connected to shared storage. Suddenly, in my host servers 2 & 4 failover cluster manager is not accessible. Showing "The operation has failed"…
How to migrate unmanaged disks to managed on production SQL cluster
Hello, I have to perform migration of azure disks from unmanaged to managed on our production SQL servers, which are in availability set with the sql firewall windows server in it as well. This is still in planning process, but i think i need some…
Win2019 Server RDS Cluster gets confused on where its VMs live
We have a two server Windows 2019 cluster for Remote Desktop Services. These two machines are hardware based and they rely on a virtual Windows 2019 server with MSSQL 2019 to control the cluster. Overall these two machines service the cluster fine with…
Move of the Cluster Shared Volume resource Cluster Virtual Disk is vetoed because there is a Data Integrity Scan is in progress on one of the volumes belonging to the resource. Please retry the action after the operation is completed.
Hi, We have a 2 Node Azure Stack HCI 22H2 Cluster with multiple CSV. When we try to move some CSV to another node to install Updates we got the error Message: Move of the Cluster Shared Volume resource 'Cluster Virtual Disk ' is vetoed because there is…
Poor Performance in Cluster Shared Volumes
Hi All, I have noticed on several clusters upon which I've worked, that there is a huge fall off in the expected performance after LUNs added to the hosts are turned over into cluster shared volumes. With the LUNs attached to the hosts before…
Cannot open cluster on FCM
Hi Expert, I cannot find my own cluster on Failover Cluster Manager, but succesfully by PowerShell tool error when Connect to Cluster; " An Attempt to connect to the cluster failed due to one or more nodes responding to WMI calls.This usulaly caused…
Hyper-V Failover Cluster Validation - network issue
Hello, I am trying to create a new failover cluster on Windows Server 2022 OS. I have 2 nodes added to the domain. I am validating and I have some issue with network adapters. Have someone error like me on screen? Unable to locate adapter identified…
HCI Cluster Storage Pool near capacity
can anyone help with this? Our storage pool is showing 2.24TB free from 23.8TB - how do we clean up space on this? We have 4 virtual disks - 1 with 2.91TB free (CSV-04-HDD) - unsure on how to shrink this volume as when i try to change the storage size…
Windows Cluster DNS Error Event ID 1260 - DNS bad key
Hello Everyone, I am working on creating a Window Failover Cluster for a SQL AOAG. Current setup is two Nodes and one File Share Witness. Both Nodes have two NICs, connected to two separate Networks that need to be registered in the cluster. When I…
Storage Spaces Direct - Can't Remove Physical Disk from the pool in order to able to use it by operating system
Unable to remove disk from S2D I have a virtual lab /virtual box/ windows 2019 server environment Lab setup: 1 Domain controller windows 2019 Datacenter server 3 windows server 2019 Datacenter each of them member of the domain,…
Cluster-Aware Updating cluster resource is corrupt - The name of the corrupt data is: CauRunState
We are using Cluster-Aware Updating to install the Windows Updates on our S2D clusters (Windows Server 2019 Datacenter). Recently we run into an error, mainly regarding the "Last Run status" and Get-CauReport powershell cmdlet, that doesn't…