Configure Heartbeat Datastores 39. To create a VM-host affinity rule, select the desired cluster in the vSphere Web Client. A vCenter HA cluster consists of one Active node that serves client requests, one Passive node to take the role of Active node in the event of failure and one quorum node, called the Witness node. “When you perform a Reconfigure for VMware HA operation on the primary node in an HA cluster, an unexpected virtual machine failover occurs for the virtual machines running on that primary node. failover. Passive node in Cluster B. . And I am a bit confused from the documentation, maybe my question is very simple and one of you can give me a short answere. Utility to add vSphere HA Cluster Advanced option and reconfigure HA on all clustered hosts - for changes to take effect. Deselect the Turn On vSphere HA option. Cause. vSphere HA will retry if the maximum number of attempts has not been exceeded. For example, you have eight compute nodes, and you have to decide whether to deploy two 4-node clusters or one 8-node cluster. The failed VM stays disconnected until the host is rebooted and back online 😕 It doesnt get reconnected or restarted on another host. Upon host failure, VMs from the failed host are restarted on other Hyper-V hosts in the cluster. 08-03-2017 09:00 AM. 2CPUs at 2. Using the vSphere Web Client. Using the vSphere Web Client. Select your cluster, Hosts and Clusters. Under Services select vSphere Availability. (HA) feature to help you automate failover processes and reduce downtime in case of a disruption. HA on all hosts (ESX 3. Click Yes to start the failover. In a vSphere High Availability (vSphere HA) cluster, which action does vSphere HA take when the VM Monitoring service does NOT receive heartbeats from a virtual machine (VM) in the cluster? (Choose the best answer. vSphere HA virtual machine failover unsuccessful. . In a vSphere HA cluster, three types of host failure are detected: Failure. Cause. You can deploy vCenter HA within a single vSphere cluster, or you might choose to distribute the vCenter HA nodes across multiple vSphere clusters. Cause. In this scenario, ensuring vSphere HA is enabled allows VMs on failed hardware to be automatically restarted on surviving hosts. Step 2: Create a cluster. Place orders quickly and easily; View orders and track your shipping status; Enjoy members-only rewards and discounts; Create and access a list of your products Place orders quickly and easily; View orders and track your shipping status; Create and access a list of your products; Manage your Dell EMC sites, products, and product-level contacts using Company Administration. once the process complete, go back and reenable HA (by selecting both the. View the Advanced Runtime Info pane that appears in the vSphere HA section of the cluster's Monitor tab in the vSphere Web Client. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. AndréThe solution of this warning is to turn OFF and turn ON the vSphere HA feature as follows: 1. Name your new rule, and then select Virtual Machines to Hosts from the Type drop-down menu. No VM migrations should be in progress during this upgrade. Step 4: The configuration issues warning will disappear. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. Symptoms. 2) is looking oka. The reset ensures that services remain available. vSphere HA can also monitor guest operating systems and automatically reboot a virtual machine in the event of aThe vCenter High Availability architecture uses a three-node cluster to provide availability against multiple types of hardware and software failures. Stop replication of the source virtual machine. x and vSphere HA 5. My advice would be to make sure there are no long running tasks on a host in the cluster like a snapshot removal for example as the HA state change task will not complete until all tasks are finished. When the primary host in a VMware vSphere ® High Availability cluster cannot communicate with a secondary host over the management network, the primary host uses datastore heartbeating to determine whether the secondary host has failed, is in a network partition, or is network isolated. 5, the vCenter High Availability feature was introduced. Thank you. 7 I found that just turning off Host Monitoring then back on in the Edit Cluster Settings dialog (de-select "Enable Host Monitoring", click OK, then go back in to Edit Cluster Settings and re-select "Enable Host Monitoring" and click OK) cleared this message and was quick to execute - didn't ne. Step 4. Click Add and type the name of the advanced option in the text box. Click vSphere HA located under Services. Locate the cluster. Hyper-V Failover Cluster With PRO. Thank you. If this solution is not possible, consider using a different vSphere HA admission control policy, such as reserving a percentage of cluster resource for failover. After you resolve this condition, vSphere HA should configure correctly. 0 Update 1, a set of system VMs might be placed within the vSAN cluster. Step 2:The number of hosts in a cluster will affect consolidation ratios. " at the cluster level. name} in datacenter {datacenter. If the problem. 0. In your case, 2GB is 1 slot. vSphere HA Checklist31. For the value, enter the new timeout value in milliseconds. Resolution Using the vSphere Web Client To disable/enable the vSphere HA in the vSphere Web Client: Log in to the vSphere Web Client. To disable/enable the vSphere HA in the vSphere Web Client:VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. Click on [Browse] to select the location of the cluster. vc. Disconnect, then reconnect the ESXi host to vCenter. Using the vSphere Web Client. Thank you. As you can see in the screenshot above, the wizard looks quite similar in both management clients. Using the vSphere Web Client. When you change the networking configuration on the ESXi hosts themselves, for example, adding port groups, or removing vSwitches,. Deselect Turn ON vSphere HA. Cannot perform deep rekey if a disk group is unmountedvSphere HA failover operation in progress: com. What's New. If restarting the virtual machines is not possible, for example the failover hosts have failed or have. vSphere HA leverages a High Availability cluster (a logical grouping of ESXi hosts pooled on the same network) to protect against ESXi hosts, VMs and application failure. . vcha-reset-primary. Then I turned on HA on this cluster. There are various reasons why affected. To disable/enable the vSphere HA in the vSphere Web Client:Cluster Configuration Issue: vSphere HA failover operation in progress in cluster <cluster-name> in datacenter <datacenter-name>: 0 VMs being restarted, 1 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible vSAN VMs. I have a cluster consisting of two ESXi hosts. Insufficient failover resources – Default alarm to alert when there are insufficient cluster resources for vSphere HA to guarantee failover; Failover in progress – Default alarm to alert when vSphere HA is in the process of failing over virtual machines; There are also these virtual machine alarms:The customer is able to reproduce the issue. System VMs cannot be powered-off. For enabling HA at the cluster level, refer to Configure vCenter HA With the vSphere ClientFDM does not require that DNS be configured on the hosts, nor does FDM rely on other Layer 3 to 7 network services. 02-07-2012 01:00 PM. The first five hosts added to the cluster are designated as primary hosts, and all subsequent hosts areVxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. Updated on 05/31/2019. vSphere HA is failed over the operation in progress in the cluster in data center. . 00100-17920168-patch-FP. For more information, see the How vSphere HA works section in the vSphere Availability Guide. You can simulate failure of one or more hosts from a cluster (in vSphere) and identify how many: VMs would be safely restarted on different hosts. Resolution. Workaround: Disable vSphere HA before performing vMotion, VM creation, or powering on VMs. From the vSphere Client, display the cluster in the inventory. 0 Update 2, you can run confidential vSphere Pods, keeping guest OS memory encrypted and protected against access from the hypervisor, on a Supervisor Cluster in vSphere with Tanzu. Click Events. HA does not allow the operation. Click vSphere HA. Not using identical host hardware in the VMware vSphere HA cluster. Name the cluster. Thank you. HA failover does not occur after setting Traffic Type option on a vmknic to support witness traffic. ClusterFailoverInProgressEvent : EventEx : vSphere HA failover operation in progress : com. this monitor tracks the vCenter alarm alerting that vSphere HA failover in progress. Cluster. If either site fails, vSAN uses the storage on the other site. This feature moves us away from setting non-descript, easily forgettable. Best Practices for VMware vSphere256 High Availability. A vSphere Lifecycle Manager image is a combination of vSphere software, driver software, and desired firmware with regard to the underlying host hardware. Cause. Cannot find vSphere HA primary agent : Monitors whether vCenter Server is able to connect to a vSphere High Availability primary agent. VMware error: vSphere HA failover operation in progress in cluster xxxxxIf you create a DRS affinity rule for your cluster, you can specify how vSphere HA applies that rule during a virtual machine failover. In the Home screen, click Hosts and Clusters. How can I tell which VMs moved? We have logInsight installed and I can see where the cluster re-elects itself, but the rest of the log entries are indecipherable. Cause. TomvSphere HA virtual machine failover in progress alarm is reported to a powered off VM after scheduled host replacement completed: vSphere HA failover in progress vSphere HA failover operation in progress in cluster Cluster-1 in datacenter SDDC-Datacenter: 0 VMs being restarted, 1 VMs waiting for a retry, 0 VMs waiting for. Workaround: None. Using the vSphere Web Client. Edit the Properties of the availability group and set Failover Mode to Automatic in all replicas. No impact. We now have a situation where the main Cluster is flagging the error; "Insufficient resources to satisfy HA failover level on cluster" The cluster has 6 hosts, there's plenty of headroom. Alarm name. The VSAN and management networks are on a different physical infrastructure, so I changed the following settings in the advanced options of vSphere HA: The isolation response was set to "Power off,then fail over". In the vSphere Client, browse to the vSphere HA cluster. ConnectedToMaster: ExtendedEvent: Host connected to a vSphere HA master: com. vSphere HA is failed over the operation in progress in the cluster in data center. Right-click the cluster name in the Navigator pane. Hi All, Last night we updated Virtual Centre from 2. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. HA. The VMware’s High Availability feature, also known as VMware HA, is a subset of vSphere Availability and part of the broader vSphere suite of technologies. 0 or later version. Restart virtual machines on other vSphere hosts in the cluster without manual intervention when a server outage is detected. Browse to the cluster. Resolution. Then re-enable vSphere HA. Select the vCenter Server object in the inventory and select the Configure tab. Select Cluster Features and then in the right pane. Select vSphere Availability and click Edit. In a stretched cluster when a partition happens a datastore only belongs to 1 location. For information regarding this decision, Please refer to KB 86398. Clustering virtual machines can reduce the hardware costs of traditional high-availability clusters. Activate HA only after all nodes in the cluster have been added and are onlineClick on the [Create a New Cluster] icon to open the wizard. vSphere HA initiated a failover action : com. Possible reasons for this to happen: The host is still running but has disconnected from the network. • Specify a Failover Host. vSphere HA configured failover. Under Settings, select vCenter HA and click on the Configure button. This information pane shows the slot size and how many available slots there are in the cluster. 5 or 6. Click OK. Resolutions. I have DRS, HA, and Admission Control enabled, settings shown below. The article provides steps for resolving this alert. A vSphere HA failover is in progress. Here is a summary of all the settings needed when enabling vSphere HA on top of VSAN stretched cluster. You can click Edit to enter Maintenance Mode, Deactivate, or Remove vCenter HA. The message cannot be removed. Reboot the Passive node. You. We measured the time from the point vCenter Server VM stopped responding, to the point vSphere Web Client started responding to user activity again. 2. Select the desired VM DRS group to which you want to apply your rule. This time, We explained the mechanism of "Application take over due to failover". This Fling enables you to perform a what-if analysis for host failures on your infrastructure. To be able to create cluster with ESXi hosts, a vCenter is needed. To restart a Secondary VM, vSphere HA requires that the Primary VM be running on a host that is in the same partition as the one containing the vSphere HA primary host responsible for the FT pair. 5 host with 8 VMs running, we do a power reset from HP ilo, all the VM´s are migrated to other hosts succesfully after some minutes but there is a message displayed in vCenter Server, the message is: "VMs awaiting a retry: a previous restart attempt failed, and vSphere HA. Create a vSphere HA cluster for VMware VM failover step by step. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. vmware. vSphere HA is failed over the operation in progress in the cluster in data center. If the Witness node recovers from the failure, follow these steps. VMs removed from vsphere continue to remain in FDM inventory, if the number of VMs in FDM inventory becomes large enough, FDM process memory will exceed its allowed quota, causing problems with the FDM service. The cluster reserves resources so that failover can occur for all running virtual machines on the specified number of hosts. May 25, 2021 · A failover will promote the vCenter HA PassiveClustering on vSphere High Availability. Learn how to ensure business continuity and protect your virtual machines from failures with vSphere Availability, the latest guide from VMware. 0 we are using vSphere 6. Not enough resources for vSphere HA to start VM. After the failover, you can verify that the Passive node has the role of the Active node in the vSphere Client. And restore the HA cluster configuration, incase there is a failure. Right-click the cluster and click Settings. Resolution. Cluster. vSphere HA is a cluster-level feature that can be enabled to increase total availability of VMs inside the cluster and works whenever an ESXi host has been crashed, then HA will move VMs of that failed host to another available resources inside the cluster and reboot them in the new hosts. Steps to fix vSphere HA failover operation in progress issue - YouTube. © 2023 Google LLC. How can I get rid of this error? vSphere HA failover operation in progress in cluster TGCSNET-Vcenter1-Cluster in datacenter Datacenter-TGCSNET: 0 VMs being restarted, 5 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible vSAN VMs. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. Thank you. vSphere HA is failed over the operation in progress in the cluster in data center. If any of the nodes fails, the cluster is considered to be in a degraded state. Complete the New Cluster Wizard. In some cases the HA enablement task fails with " Cannot find vSphere HA. You must create a cluster, populate it with hosts, and configure vSphere HA settings before failover protection can be. Cluster. Place orders quickly and easily; View orders and track your shipping status; Enjoy members-only rewards and discounts; Create and access a list of your products The vmware cluster is complaining with the amber triangle Code: Select all vCLS-98b596cf-d0d2-4cac-a45d-f39bf856e762: vSphere HA virtual machine failover failed vSphere HA failover operation in progress in cluster Cluster1 in datacenter XXXXXX: 0 VMs being restarted, 1 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible vSAN VMs In 6. 2. Requirement: The management servers are pinned to a specific data center but can be failed over to a second data center in the event of an outage. Using the vSphere Web Client. comVxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. Beyond that, some of the most common errors VMware administrators make include: 1. Create a vSphere HA Cluster in the vSphere Client32. Prevent Unplanned Downtime with vSphere. Monitor the progress of the failover in the next screen,. With the release of vSphere Cluster Services (vCLS) in vSphere 7. A Stand-Alone deployment might look something like this. There are many option that can be configured, like restart priorities etc. If there is only one vSphere HA-enabled host, an operation is not allowed, even if there is a sufficient percentage of resources available. Reduce application downtime by automatically restarting virtual machines upon. This alarm will fire in vCenter, using thresholds defined via the vSphere Client. Vmware 6. The HPE Simplivity Stretched Cluster solution works in cooperation with vSphere HA and vSphere DRS to ensure that when one or more HPE OmniStack System failures occur in a physical location, guest virtual machines can be restarted in a second location. These clusters are running SQL server with the idea of HA for availability. The alert is typically seen when a host failure occurs, and vSphere HA attempts to restart a VM that is already powered off. Reduce the planned downtime for common maintenance operations. If a virtual machine does not have reservations, meaning that the reservation is 0, a default of 0MB memory and. By default, the alarm is triggered by the following events: com. 4. Select the datacenter object first and then right click > New cluster. Reply. Is this bug back, what am i missing. How can I get rid of this error? vSphere HA failover operation in progress in cluster TGCSNET-Vcenter1-Cluster in datacenter Datacenter-TGCSNET: 0 VMs being restarted, 5 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible vSAN VMs. Hosts in the cluster are monitored and in the event of a failure, the virtual machines on a failed host are restarted on alternate hosts. vc. Click OK. 384GB of RAM. Under Settings select vCenter HA and click Initiate Failover. To keep your. vSphere HA Cluster (& ESXi hosts) Reconfiguration utility. Step 5. HA. Hi, I am using ESXi 6. If a node fails, the server cluster transfers the groups that were being hosted by the node to other nodes in the cluster. With dedicated failover hosts admission control, when a host fails, vSphere HA attempts to restart its virtual machines on any of the specified failover hosts. To disable/enable the vSphere HA in the vSphere Web Client:After a vSAN cluster fails with a loss of failover quorum for a virtual machine object, vSphere HA might not be able to restart the virtual machine even when the cluster quorum has been restored. Figure 1. A dialog offers you the option to force a failover without synchronization. Figure 4 – Deploying vCenter HA using the vSphere Web Client. There are various reasons. . Perform Backup and Restore OperationsIf the discover devices storage operation is still in progress, it prevents the last sub-step of the reprotect workflow synchronize storage to finish in time. By default, the alarm is triggered by the following events: com. How vSphere HA Works. How can I get rid of this error? vSphere HA failover operation in progress in cluster TGCSNET-Vcenter1-Cluster in datacenter Datacenter-TGCSNET: 0 VMs being restarted, 5 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible vSAN VMs. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. By following the previous articles, you will gain a comprehensive understanding of how High Availability (HA) functions and acquire the necessary guidance to configure and manage your vSphere HA effectively. 0U3j now with 5 ESXi hosts in a single cluster using 4 shared datastores for HA heartbeats, and after I patched to this version - actually, WHILE I was patching it using the VAMI, I was monitoring the console on the host the VCSA is running on and suddenly, it. TomHA. Click OK. Review the vRealize Operations Sizing Guidelines for more information. Under Settings select vCenter HA and click Initiate Failover. The VMs which appear to be missing typically are running in the other location, as typically the other location will have access to that particular datastore. Now, each ESX host has 32 GB, of which some is in use by the host itself. TomHA. Setting Alarms to Monitor Cluster Changes. vSAN uses its own logical network. By following the previous articles, you will gain a comprehensive understanding of how High Availability (HA) functions and acquire the necessary guidance to configure and manage your vSphere HA effectively. 6. 0 with two clusters with 4 ESXi v7 Hosts in each cluster. The failed VM stays disconnected until the host is rebooted and back online 😕 It doesnt get reconnected or restarted on another host. vSphere 8 contains many interesting new features. With the resources failover policy in place, vSphere HA uses the following calculations to control virtual machine migration in the cluster. The minimum NIC speed should be 1GbE. Tom This monitor tracks the vCenter alarm alerting that vSphere HA failover in progress. [Read more] vSphere HA operates in the context of a cluster of ESXi (or legacy ESX). vSphere HA readonly view, of course, now contains PMem percentage reservation – just take a quick look and one will know how much persistent memory is available for failover: It is much easier now to manage and view cluster failover capacity with PMem: just choose an Admission control policy, setup. Cause. Before you can obtain the benefits of cluster-level resource management you must create a cluster and activate DRS. retry, 0 VMs waiting for resources, 0 inaccessible Virtual SAN VMs". Cause. vSphere HA failover can be specified for the following two types of rules: • VM antiaffinity rules force specified VMs to remain apart during failover actions. In VMware Cloud on AWS, Cluster-1 holds configuration settings for all SDDC clusters. Resolution. Trigger conditions. Dear VMware Community, I have a single vCenter Server v7. Select vSphere Availability and click Edit. Using the vSphere Web Client. Note vSphere High Availability (vSphere HA) supports a clustering solution in conjunction with vCenter Server clusters. Hosts in the cluster are monitored and in the event of a failure, the virtual machines on a failed host are restarted on alternate hosts. Cause. Keeps the configuration of the cluster. How vSphere HA Works. To avoid resetting virtual machines repeatedly for nontransient errors, by default, virtual machines will be reset only three times during a certain configurable time interval. regards, maryYou can configure vSphere HA to designate specific hosts as the failover hosts. The protection state is not changed to reflect whether HA can currently restart a VM. vSphere HA is failed over the operation in progress in the cluster in data center. This just makes sure you can disable and. The Hyper-V virtual environment offers failover cluster functionality. When the deployment finishes, vCenter Server has high availability protection. Select Configure > Under Services, vSphere Availability > Edit 4. 0. With the 64 hosts/6,000 VMs inventory, the total time is around 460 seconds (that is, 7 minutes and 40 seconds), with about 30-50 seconds for HA to get into action. vSphere Availability describes vSphere HA functionality. vSphere HA failover in progress:. The other site becomes a secondary or nonpreferred site. Use vSphere vMotion to migrate this virtual machine to a different host or cluster. The workflow of a vSphere HA cluster is illustrated in the diagram below. Actions. vSphere HA unsuccessfully failed over <virtual machine> on <slave hostname> in cluster HA_DRS_Cluster in Datacenter. Cause. . 0; Feedback. > Bind Device. If you dismiss the Cluster quickstart workflow. How to fix it. Thank you. Depending on the type of failure detected, the virtual machines running on the hosts might need to be failed over. You can configure vSphere Lifecycle Manager to remediate hosts in parallel. Select the affected cluster at which the removal of the host is failing 3. vSphere Cluster High Availability. This simplifies administration of an OpenEdge database in a clustered environment. 0 Update 3 - HA can no longer be successfully enabled. Cause. Make the vSAN network changes. Cluster. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. 5 and vSAN 6. Configure Heartbeat Datastores vSphere HA uses datastore heartbeating to distinguish between hosts that have failed and hosts that reside on a network partition. One of the things I inherited when I started my new role about 6 months ago was several Windows Failover clusters running on vSphere. Update Manager can scan the vSAN cluster and recommend host baselines that include updates, patches, and extensions. Click Add and enter in Option and Value fields as appropriate (see below). 3. 7 DRS HA Cluster How can I get rid of this error? vSphere HA failover operation in progress in cluster TGCSNET-Vcenter1-Cluster in datacenter Datacenter-TGCSNET: 0 VMs being restarted, 5 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible vSAN VMs Thank you. HA. The reverse process, failback, occurs when the failed node becomes active again and the groups that were failed over to the other nodes are transferred back to the original node. Depending on the task, it can be enabled on all or a subset of the nodes. Click OK. Cluster. Confidential vSphere Pods on a Supervisor Cluster in vSphere with Tanzu: Starting with vSphere 7. vSphere Cluster. vSphere HA provides high availability for virtual machines by pooling them and the hosts that they reside on into a cluster. To use vSphere HA with vSAN, you must be aware of certain considerations and limitations for the interoperability of these two. Activate vSphere HA. Cluster How can I get rid of this error? vSphere HA failover operation in progress in cluster TGCSNET-Vcenter1-Cluster in datacenter Datacenter-TGCSNET: 0. Let’s see step by step : Step 1: Login to vSphere web client. Changing vSphere 7 HA advanced options. This part will introduce the detailed steps to create an efficient vSphere High Availability. All You can configure vSphere HA to designate specific hosts as the failover hosts. Resolving Failover Failures When a Passive node does not become the Active node during a. vmware. Go and select Cluster object > Configure, and within the Services section select vSphere Availability > Edit. vSphere High Availability (HA) failover resources are insufficient To resolve this problem, use similar CPU and memory reservations for all virtual machines in the cluster. vSphere HA is failed over the operation in progress in the cluster in data center. vSphere Cluster. vSphere High Availability (HA) failover resources are insufficient To resolve this problem, use similar CPU and memory reservations for all virtual machines in the cluster. 0 Update 1, which ensures cluster services such as vSphere DRS and vSphere HA. If the Witness node recovers from the failure, follow these steps. If the Active node recovers from the failure, it becomes the Active node again. Resolution. Configure Proactive HA37. Cause. After you dismiss the Cluster quickstart workflow, you cannot restore it for the current cluster. It is also important to enable host monitoring. The message cannot be removed. HA. vc. Download the PDF and get started today. vSphere-HA folder, vSphere HA configuration fails for the entire cluster. Step 2: vSphere HA is turned ON, toggle vSphere HA to OFF and wait for all hosts to complete unconfigured for HA. Select Advanced Options Option1: Configure a vSphere HA Isolation address. The alert is typically seen when a host failure occurs, and vSphere HA attempts to restart a VM that is already powered off. Apply service updates during a maintenance window where no new HCX operations are queued up. How can I get rid of this error? vSphere HA failover operation in progress in cluster TGCSNET-Vcenter1-Cluster in datacenter Datacenter-TGCSNET: 0 VMs being restarted, 5 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible vSAN VMs. To do this you need to create another cluster as a test. Then an overlay window opens; activate vSphere HA with a single click. Hosts in the cluster are monitored and in the event of a failure, the virtual machines on a failed host are restarted on alternate hosts. Active and Witness in Cluster A. disabled. To disable/enable the vSphere HA in the vSphere Web Client:If you change the vSAN network configuration, the vSphere HA agents do not automatically pick up the new network settings. My advice would be to make sure there are no long running tasks on a host in the cluster like a snapshot removal for example as the HA state change task will not complete until all tasks are finished.