Percentage of cluster resources reserved. 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 Updated on 08/23/2022. 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. In some cases the HA enablement task fails with " Cannot find vSphere HA master agent ". If restarting the virtual machines is not possible, for example the failover hosts have failed or have. VMware-vCenter-Server-Appliance-7. Best practice: Use vSphere HA-enabled clusters to deploy HCX. retry, 0 VMs waiting for resources, 0 inaccessible Virtual SAN VMs". You can configure vSphere HA to designate specific hosts as the failover hosts. ensure your DNS is working properly. vSphere HA Provides Rapid Recovery from Outages. name} in datacenter {datacenter. For continued operation after the evaluation period, you need to obtain a new license key from VMware and add it to the vCenter Server license inventory. No it is not supported at this time. Thank you. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. Thank you. Log in to the Passive node through the Virtual Machine Console. In general terms, a second virtual machine is created to work in tandem with the virtual machine on which you have enabled Fault Tolerance. VMware vSphere High Availability (HA) specifically reduces unplanned downtime by leveraging multiple VMware vSphere ESXi™ hosts configured as a cluster, to provide rapid recovery from outages and cost-effective high availability for applications running in virtual machines. 0 Update 3 - HA can no longer be successfully enabled. vSphere HA virtual machine failover unsuccessful. 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. This alarm will fire in vCenter, using thresholds defined via the vSphere Client. Cause. If there is only one vSphere HA-enabled host, an operation is not allowed, even if there is a sufficient percentage of resources available. Click through Manage > Settings > DRS Rules > Add. vSphere proactive HA will detect hardware conditions of a host and allow you to evacuate the VMs before the issue causes a vSphere HS failover in progress. 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. again, this will have no impact on any running guest. Protecting vCenter Server with vCenter High Availability. 0 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 FDM does not require that DNS be configured on the hosts, nor does FDM rely on other Layer 3 to 7 network services. 00100-17920168-patch-FP. These two clusters do not share any datastore. To ensure successful remediation on a two-node cluster, you must deactivate HA for the cluster or place the hosts in maintenance mode manually and then remediate the two hosts in the cluster. To confirm exiting the simplified configuration workflow, click Continue. In the vCenter GUI, use the Hosts and Clusters view, Right-click the ESXi host and select Connection > Disconnect. To keep your. Cluster. Resolution. This time, We explained the mechanism of "Application take over due to failover". Under Settings select vCenter HA and click Initiate Failover. Resolution. vmware. Procedure. Enable high availability when performing some procedures, such as replacing hardware. Each time, vSphere HA moves the VMs off the crashed host quickly enough that our monitoring doesn't catch it. that happens very often on this cluster on this version o esxi4. System VMs cannot be powered-off. After patching ESXi to 7. Clustering virtual machines can reduce the hardware costs of traditional high-availability clusters. vSphere HA and DRS could be used together to take advantage of automatic failover and load. 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. Failover succeeded : Failover succeeded : com. With the default Host Failures Cluster Tolerates policy, vSphere HA performs admission control by calculating the available slot. 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 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 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. To disable/enable the vSphere HA in the vSphere Web Client: Log in to the vSphere Web Client. There are specific alarms to HA. A clustered task is a Task Scheduler task that is registered on all cluster nodes. With HA, data stored in the primary node is always 100% backed up on the replica node. This transfer process is called failover. By default, the alarm is triggered by the following events: com. To disable/enable the vSphere HA in the vSphere Web Client:"vSphere HA failover operation in progress in cluster CGI_Test_Cluster in datacenter Bremen: 1 VMs being restarted, 1 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible vSAN VMs". vmware. Resolution. Cause. Step 2: vSphere HA is turned ON, toggle vSphere HA to OFF and wait for all hosts to complete unconfigured for HA. A slot is/was loosley defined by using the largest VM in the cluster (memory & cpu weighted) also using the memory,cpu. vSphere HA virtual machine failover failed. AndréThe solution of this warning is to turn OFF and turn ON the vSphere HA feature as follows: 1. Using the vSphere Web Client. ClusterFailoverInProgressEvent : EventEx : vSphere HA failover operation in progress : com. 5, currently we are facing one problem in our Cluster its showing ''Insufficient resources to satisfy HA failover level on cluster ''. 16 Steps total Step 1: Understanding HA in VMware vSphere. Thank you. Aria Operations for Apps; Photon OS; Edu & Cert Toggle submenu. The alert is typically seen when a host failure occurs, and vSphere HA attempts to restart a VM that is already powered off. Edit the vCenter HA Cluster Configuration When you edit the vCenter HA cluster configuration, you can deactivate or activate the cluster, place the cluster in maintenance mode, or remove the cluster. 2. Key benefits. 0 with two clusters with 4 ESXi v7 Hosts in each cluster. vSphere HA is failed over the operation in progress in the cluster in data center. FDM is used where both Network and Datastore Heartbeats are used to determine the availability of a host, and in determining types host failure, whether that is a physically failed host or a Network Isolation type of failure. You see an alarm indicating: vSphere HA failover in progress in Cluster No VMs are actually failed over No issues are noted in Horizon or with the ESXi hosts HA Master host's FDM service may stop. vSphere Availability describes vSphere HA functionality. How to fix it. A partitioned cluster leads to degraded virtual machine protection and cluster. VMware has qualified vCenter high availability with vCenter 5. Restart virtual machines on other vSphere hosts in the cluster without manual intervention when a server outage is detected. name}: {numBeingPlaced} VMs being restarted, {numToBePlaced} VMs waiting for a retry, {numAwaitingResource} VMs waiting for resources, {numAwaitingVsanVmChange} inaccessible Virtual SAN VMsNext are the actual steps that will create the HA cluster for us. 2 to 2. The message cannot be removed. Workaround: Disable vSphere HA before performing vMotion, VM creation, or powering on VMs. Using the vSphere Web Client. Actions. Click Edit. Join Education & Certification;. Enable high availability when performing some procedures, such as replacing hardware. The formula used to determined by the use of "slots". Cause. Deselect the Turn On vSphere HA option. succeeded : info : Failover cannot proceed when cluster is in disabled mode : Failover cannot proceed when cluster is in disabled mode : com. Thank you. Expand the vSphere cluster and navigate to the transport nodes that are in a partial success state. vSphere HA is failed over the operation in progress in the cluster in data center. 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. Click vSphere HA located under Services. 5, the vCenter High Availability feature was introduced. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. 6. VMware vSAN 6. vSphere HA failover operation in progress in cluster VxRail-Cluster in datacenter VxRail-Datacenter: 0 VMs being restarted, 3 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible vSAN VMs. Cluster. We measured the time from the point vCenter Server VM stopped responding, to the point vSphere Web Client started responding to user activity again. vSphere HA failed to restart a. At this point, the client can access the application on the standby server via the virtual IP address, and the failover operation will be completed. vSphere HA is failed over the operation in progress in the cluster in data center. vCenter Architecture Overview A vCenter HA cluster consists of. The default URL is: In the Home screen, click Hosts and Clusters. Resolution Using the vSphere Web Client To disable/enable the vSphere HA in the. And restore the HA cluster configuration, incase there is a failure. With vSphere, you can: Provide high availability independent of hardware, operating system, and applications. Click Yes to start the failover. vSphere Cluster HA provides high availability for virtual machines by pooling the virtual machines and the hosts they reside on into a cluster. Thank you. Updated on 05/31/2019. Select the datacenter object first and then right click > New cluster. 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. HA creates a replica for the vRealize Operations primary node and protects the analytics cluster against the loss of a node. 0 I see a warning "vSphere HA failover operation in progress in cluster XXX in datacenter DC YYY: 1 VMs being restarted, 0 VMs waiting for a retry, 0 VMs waiting for resources, 0 inaccessible Virtual SAN VMs". Click vSphere HA located under Services. Below are other key benefits of the solution. vSphere ® supports clustering using MSCS across virtual machines. Using the vSphere Web Client. Reboot the. There is no impact to VMs when disabling and enabling HA. If you dismiss the Cluster quickstart workflow. The two types of rules for which you can specify vSphere HA failover behavior are the following: VM anti-affinity rules force specified virtual machines to remain apart during failover actions. Learn how to ensure business continuity and protect your virtual machines from failures with vSphere Availability, the latest guide from VMware. When vSphere HA or Fault Tolerance take action to maintain availability, for example, a virtual machine failover, you can be notified about such changes. So there will only ever be one set of. vSphere 8 contains many interesting new features. Troubleshooting vSphere HA Failure Response. Tom This monitor tracks the vCenter alarm alerting that vSphere HA failover in progress. In the vSphere Client, browse to select the relevant vSphere HA cluster. failuredetectiontime . Next, select “vSphere HA” and make sure that the “Enable Host Monitoring” check-box is selected (Figure 4). Click vSphere HA located under Services. vmware. In this scenario, ensuring vSphere HA is enabled allows VMs on failed hardware to be automatically restarted on surviving hosts. Cause. When HA's Admission Control policy is set to "Number of Host failures the cluster will tolerate", HA has a very pessimistic view of your resources, as it has to be able to handle all possibilities. See the Help Center for more information including reference lists of all Rules and Monitors and full set of User Guides for the Veeam MP for. vSphere HA unsuccessfully failed over <virtual machine> on <slave hostname> in cluster HA_DRS_Cluster in Datacenter. Temporary disable HA, put the host into the maintenance mode, do your required operations and then bring everything back. This configuration signals the VMware vSphere cluster to reserve the necessary resources, such as CPU and memory, in order to accommodate all the virtual machines that were running on the failed. This will reinstall the HA packages and fix any misconfigurations. Thank you. Select from the following configuration options. 2) is looking oka. ConnectedToMaster :. name} in datacenter {datacenter. Create a vSphere HA cluster for VMware VM failover step by step. Do not turn on vSphere HA or vSphere DRS. In the event of a vSphere HA failover, you see. To disable/enable the vSphere HA in the vSphere Web Client:To disable/enable the vSphere HA in the vSphere Web Client: Log in to the vSphere Web Client. Click OK. 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. Cluster Configuration Issue: vSphere HA failover operation in progress in cluster <cluster-name> in datacenter <datacenter-name>: 0 VMs being restarted, 1 VMs. Refer to the errors list for details. If either site fails, vSAN uses the storage on the other site. Depending on the backup solution in use, an administrator might need to rerun the backup job for virtual machines that failed to back up properly. A host stops. © 2023 Google LLC. Under Settings, select vCenter HA and click on the Configure button. 02-07-2012 01:00 PM. Network Partitions. Review the changes and click Finish to start the failover operation. When you add a host to a vSphere HA cluster, an agent is uploaded to the host and configured to communicate with other agents in the cluster. Deselect the Turn On vSphere HA option. vSphere HA is failed over the operation in progress in the cluster in data center. 0 Update 3 - HA can no longer be successfully enabled. HA failover is literally just poweroff/poweron -- if the cluster was healthy enough to do a vMotion, you wouldn't need to initiate an HA failover in the first place. To follow the HCX Manager upgrade process, see Upgrading the. How to remove VMware error Message - HA Failover operation in ProgressSUBSCRIBE & CLICK THE BELL! My Socials: Julius D. I'm trying to configure vCenter HA in two separate clusters. To use vSphere HA with vSAN, you must be aware of certain considerations and limitations for the interoperability of these two. The reason is that if one of the two hosts is placed into maintenance mode there is no failover host left available in the 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. 2. Task Scheduler integration. SAP VMware HA Configuration Clustering SAP Solutions in Virtual Machines with MSCS The Microsoft Cluster Server (MSCS) configuration is the standard switchover solution for SAP systems running on Windows platforms. Cluster. To disable/enable the vSphere HA in the vSphere Web Client:Failover Clusters provides a simple command-line interface, PROCLUSTER, to your operating system’s clustering software. ; Right-click all hosts in the. regards, maryYou can configure vSphere HA to designate specific hosts as the failover hosts. Tom HA. Product Patch for vCenter Server containing VMware software fixes, security fixes, and third-party product fixes. vSphere HA is failed over the operation in progress in the cluster in data center. In VMware Cloud on AWS, Cluster-1 holds configuration settings for all SDDC clusters. And then click. Using the vSphere Web Client. Configure Proactive HA37. Read this post to learn how you can deploy a cluster and configure HA in VMware vSphere. No impact. Tom HA. 2 vSphere High Availability vSphere HA provides high availability for virtual machines by pooling the virtual machines and the hosts they reside on into a cluster. This patch is applicable to vCenter Server. Edit the Properties of the availability group and set Failover Mode to Automatic in all replicas. One of the things I inherited when I started my new role about 6 months ago was several Windows Failover clusters running on vSphere. When you create a vSphere HA cluster, a single. 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 enable your cluster for vSphere HA, you must first create an empty cluster. This problem is caused by the dependency on VMware HA being available for normal operation of stretched cluster sites. vc. Alternatively, disable vSphere HA. If the problem. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. We've had some ESXi hosts PSOD a few times. :. HA. Configure Admission Control38. To disable/enable the vSphere HA in the vSphere Web Client:Verify that VMware HA is only attempting to configure on one Service Console. This simplifies administration of an OpenEdge database in a clustered environment. HA allows losing only one data node for the cluster to remain functional. 5, we will investigate whether we use it for the VxRail vCenter. . By default, the alarm is triggered by the following events: com. To disable/enable the vSphere HA in the vSphere Web Client:VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. 0 Update 2a. Changing vSphere 7 HA advanced options. Each host in the cluster functions as a primary host or a secondary host. Starting with HCX 4. HA rule settings should respect VM-Host affinity rules during failover. vSphere HA is failed over the operation in progress in the cluster in data center. In most cases, performing synchronization first is best. The Skip Quickstart button prompts you to continue configuring the cluster and its hosts manually. also vms are reporting. vSphere HA configured failover. Create Backup Task: Navigate to Backup Task > + Create New Task, and select VMware ESXi Backup as the Backup Type. HA. Illustrates how to reconfigure HA Cluster to ADD specified advanced option, if it. After you dismiss the Cluster quickstart workflow, you cannot restore it for the current cluster. vSphere HA is failed over the operation in progress in the cluster in data center. The image that a cluster uses defines the full. vSphere HA guarantees the restart only when it has a cluster quorum and can access the most recent copy of the virtual machine object. Hello Team, I see more often that on vSphere HA failover in progress on vSphere Cluster, as a workaround disabling/enabling HA will fix the issue. The active-passive architecture of the solution can also help. 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. 0. The first five hosts added to the cluster are designated as primary hosts, and all subsequent hosts are 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. It’s because the timeout settings in the HA needs to be changed to support this, luckily VMWARE provided a KB article about how to fix:Starting with vSphere 7. Overview: This service builds on the replication capability of vSAN and the high-availability (HA) features of VMware vSphere ® High Availability when used in a stretched cluster configuration between two data centers. 7 Update 3. Patch for VMware vCenter Server Appliance 7. If the. These are new HPE DL380 servers. You must create a cluster, populate it with hosts, and configure vSphere HA settings before failover protection can be. Best Practices for VMware HA Clusters information is provided in the High Availability (VMware HA): Deployment Best Practice. ) A. Stop replication of the source virtual machine. If a vCenter HA failover is initiated during the remediation of a cluster, the remediation task is canceled. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. Note vSphere High Availability (vSphere HA) supports a clustering solution in conjunction with vCenter Server clusters. Do not turn on vSphere HA (or DRS). 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. The challenge being that cluster services, like the vSphere Distributed. Another option would be to change the Admission Control policy in the HA Cluster settings to "Percentage of resources reserved for failover". Insufficient resources to satisfy HA failover level on cluster. Workaround: Manually disable vSphere HA on the cluster, and then re-enable it. Resolution. vc. After a while the follow event appears: "vSphere HA. Reply. vSphere HA will retry if the maximum number of attempts has not been exceeded. To disable/enable the vSphere HA in the vSphere Web Client:VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. By default, the alarm is triggered by the following events: com. Monitors the sufficiency of failover cluster resources required for vSphere High Availability. Resolution Using the vSphere Web Client To disable/enable the vSphere HA in the. For a list of all vSphere Lifecycle Manager privileges and their descriptions, see vSphere Lifecycle Manager Privileges For Using Baslines. Resolution. vSphere HA is failed over the operation in progress in the cluster in data center. In the event that one host fails and goes offline, HA will initiate a restart of the VM on the second host utilising the same set of files as before. vSphere HA provides high availability for virtual machines by pooling them and the hosts that they reside on into a cluster. Not using identical host hardware in the VMware vSphere HA cluster. 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. GREEN (clear) Status: vSphere APIs for IO Filtering (VAIO) Filter Management Operations Alarm (to green) Yes. This symptom may lead to variety of issues such as datastore-related operation fails from vSphere Web Client . Single-link failure of physical server: Unplug the physical link that connects a host in site A to an FC switch. Deactivate Host Monitoring for the vSphere HA cluster. Log in to the Active node with the vSphere Client. To disable/enable the vSphere HA in the vSphere Web Client:HA would take action when the host is found failed and then restart the VMs on another available host, while the job of DRS is to balance the load of hosts and ensure the performance of VMs by migrating certain VM from the busy host to another. In the vCenter GUI, use the Hosts and Clusters view, Right-click the ESXi host and select Connection > Disconnect. Click the Configure tab. Beyond that, some of the most common errors VMware administrators make include: 1. 0 U3b are no longer available for download due to several critical issues identified in them. 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. Configure HA settings for the stretched cluster. In general, these alarms will duplicate functionality already available in the Veeam MP, therefore this monitor by default will only set state in order to avoid duplicate alerting. Name the cluster. This enhancement provides a streamlined method for building and expanding an HCI cluster. To enable HA repeat the above steps and select Turn on VMware HA option. Let’s see step by step : Step 1: Login to vSphere web client. To see the available failover capacity in an HA cluster look in the vSphere client connected to vCenter server Hosts and Clusters view of the Inventory then highlight the cluster and look in the Summary tab under "VMware HA" section on the right. When I reboot one of the 4 hosts (there is a VM running on the host),The HA failover failed on it. Prevent Unplanned Downtime with vSphere. Details VMware High Availability (HA) failover errors: HA agent on server in cluster cluster in datacenter has an error Insufficient resources to satisfy HA failover. To disable/enable the vSphere HA in the vSphere Web Client:As far as shared storage is concerned, you can use virtual disks as shared storage in this scenario, or you can use in virtual compatibility mode. vmware. In the vSphere Client, browse to the vSphere HA cluster. Locate the cluster. You. Figure 4 – Deploying vCenter HA using the vSphere Web Client. ; Upgrade a vCenter Server Appliance 6. Right-click the cluster and select Edit Settings. To disable/enable the vSphere HA in the vSphere Web Client:HA - other than VM Autostart - is meant for High Availability, and does start VMs - which were running on a failed ESXi host - on other available hosts in a HA cluster. Configuration. 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. Admission Control/Host failures cluster tolerates: 1. Cause. Define failover capacity by reserving a percentage of cluster resources. This Fling enables you to perform a what-if analysis for host failures on your infrastructure. vSphere HA is failed over the operation in progress in the cluster in data center Cause . YELLOW Status: Insufficient vSphere HA Failover Resources Alarm (to yellow) GREEN (clear) Status:To disable vSphere HA in the vSphere Web Client: Log in to the vSphere Web Client. VxRail: "vSphere HA failover in progress" warning message seen in vSphere Web client. Verify that the VMware HA cluster is not corrupted. Multiple partitions can occur in a cluster. To be able to create cluster with ESXi hosts, a vCenter is needed. Since the release of vSphere 7. If the vCenter server is self-managed, the Resource settings page is displayed. Use vSphere vMotion to migrate this virtual machine to a different host or cluster. Expand Runtime settings. vSphere Cluster High Availability. The admission control policy allows you to configure reserved capacity in any one of three ways: • Host Failures Cluster Tolerates (default) • Percentage of Cluster Resources Reserved. vSphere HA unsuccessfully failed over <virtual machine> on <slave hostname> in cluster HA_DRS_Cluster in Datacenter. To configure your cluster host networking and services manually by referring to different parts of the vSphere software, click the Skip quickstart button. VMware says that vCLS uses agent virtual machines (vCLS VMs) to maintain the health of cluster services, even if the vCenter Server is not available. HA initiated a failover action. Cause. Click Advanced Options. Select the Hosts and Clusters view. 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. Determine whether the virtual machine network adapters are connected to a corresponding port group. Possible reasons for. Expert 02-14-2012 11:24 AM. You must designate one site as the preferred site. 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. Go and select Cluster object > Configure, and within the Services section select vSphere Availability > Edit. @Rasulzade There is no impact to VMs when disabling and enabling HA. You must designate one site as the preferred site. The VMs continued to run because all the files they needed to run were already in memory -- though obviously any new read/write operations to the disk would time out and fail. Step 5. In the vSphere Client, click Menu and select Hosts and Clusters. Solution. Tom A partition is extremely uncommon in normal environments but may happen in a stretched cluster. The default URL is: ; In the Home screen, click Hosts and Clusters. Click Advanced Options. Click Edit and slide the cursor to enable the HA feature. Setting Alarms to Monitor Cluster Changes. This document provides best practice guidelines for designing and implementing Microsoft SQL Server (“SQL Server”) in a virtual machine to run on VMware vSphere (“vSphere”). Click Failures and Responses and then expand Host Failure Response. The task is working as expected.