D. An ESXi host fails and vSphere HA attempts to restart the VMs onto the dedicated failover hosts. Not always but sometimes we tend to see an alarm on a VM "vSphere HA virtual machine failover failed". 11-02-2015 06:49 AM. If is not ESXi resources or VM reservations we check if the Datastore where the VM is allocated to have enough free space. C. vSphere HA failover in progress : Monitors the failover progress of vSphere High Availability. vSphere HA does not have sufficient resources to complete VM failover in a VMware vSphere Cluster. Insufficient vSphere HA failover resources vSphere 7. On the left pane, select "VMware HA". This option can also be set to "false", whereby the rules are not enforced. If a restart is not possible, for example, the failover ESXi hosts have insufficient resources or have failed as well, then vSphere HA attempts to restart the virtual machines on other ESXi hosts in the cluster. . 2 to 2. VMware vSphere. Summary VM disks consolidation failed. Cloud & SDDC. This is a known behavior by design and is currently being reviewed by VMware. Select an option for Define host failover. Brian Atkinson | vExpert | VMTN Moderator | Author of "VCP5-DCV VMware. All HA VMs are configured on host 1 as master for HA and Host2 for failover. 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. If the host is part of a partially automated or manual DRS cluster, browse to Cluster > Monitor > DRS > Recommendations and click Apply Recommendations. vCenter; Cluster level; Config; Vsphere availability; Uncheck box for Vsphere Availability ; OK; Enter Vsphere availability again and re-check the box; Save; Reset the warning to green Power up VMs that cannot start HA must respect VM anti-affinity rules during failover-- When the advanced option for VM anti-affinity rules is set, vSphere HA does not fail over a virtual machine if doing so violates a rule. Hi, I have been trying to figure out why there is insufficient resources to power just one small VM in my vSphere cluster. Discover high availability options to select the best HA configuration for your environment. As a result you get the following alarm in vCenter: “Insufficient vSphere HA failover resources”. See VMware online documents such as Troubleshooting VMware High Availability and the vSphere Troubleshooting Guide to resolve HA issues. Click Edit. Insufficient resources to satisfy vSphere HA failover level on cluster XXX Cluster in XXX Datacenterenabling technology for advanced capabilities such as vMotion, Distributed Resource Scheduler (DRS), and HA. vSphere HA agent will retry until it times out. Hi everyone. Elisha. Causes. 2 OVF, which was obtained directly from cisco. vSphere HA cannot. Besides writing on Yellow-Bricks, Duncan co-authors the vSAN Deep Dive book series and the. " Not once are these actually related to a HA event or does a VM reboot. 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. Deactivate Host Monitoring for the vSphere HA cluster. Tắt tính năng HA. So what exactly has happened here. md","path":"README. Click Edit near vSphere HA that is turned off in our case. CauseResolution. vSphere HA admission control only. vSphere HA failover in progress: Alarm by default to be alerted when vSphere HA is failing on virtual machines: Cannot find vSphere HA master agent: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. Resolutions. 5 Update 1d, available at VMware Downloads. Resolutions. vSphere HA failover in progress. 2 X Processors (8 cores each) with HT enabled. " Not once are these actually related to a HA event or does a VM reboot. This is actual storage capacity that is. Authentication failed for guest operation. reconfigure for HA didnt help. " Workaround. The current failover level is not based on current cpu/memory usage but on the the vm reservations (ie. Admission control policy is enabled and Failover Capacity is 1 host. vSphere HA attempts to restart the VMs on other hosts in the cluster. vSphere HA restarts VMs in another cluster. That makes sense about the message "insufficient resources to satisfy HA failover" that was generated, but Just wondered why the virtual machines on the ESX Server that disconnected didnt migrate to the other healthy ESX host as well. Insufficient resources to. vCenter; Cluster level; Config; Vsphere availability; Uncheck box for Vsphere Availability ; OK; Enter Vsphere availability again and re-check the box; Save; Reset the warning to green Power up VMs that cannot startIn this case, vSphere HA does not fail over a virtual machine if doing so violates a rule, but it issues an event reporting there are insufficient resources to perform the failover. Click Admission Control to display the configuration options. The administrator notices that the setup of vSphere. If an ESXi host fails, vSphere HA attempts to restart its virtual machines on any of the specified failover ESXi hosts. If the slot size appears too high, click on the Resource Allocation tab of the cluster and sort the virtual. The cluster reserves resources so that failover can occur for all running virtual machines on the specified number of hosts. Select an option for Define host failover. Each host has. The Hosts tab shows the primary host:If VXR014030 warning appears on any host stop and then restart HA. And when you try to create and boot a new VM you get: “Insufficient resources to satisfy configured failover level for vSphere HA”. i just want this to be easy and work as expected in the theory books. 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”). {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"LICENSE","path":"LICENSE","contentType":"file"},{"name":"README. Click Admission Control to display the configuration options. Admission control policy is enabled and Failover Capacity is 1 host. Veeam VMware: Expired Virtual SAN license Alarm. If the secondary host has stopped datastore. Learn how to ensure business continuity and protect your virtual machines from failures with vSphere Availability, the latest guide from VMware. Problem Setting up a simple vSphere 6. vSphere-HA folder, vSphere HA configuration fails for the entire cluster. Thank you for any help you can provide. vmware. Hi. but have a check if you have nic failover redudancy set and the heartbeat network is having a standby nic. vSphere HA admission control only. Scenario: Cluster biews shows that vSphere DRS is imbalanced. Do I need to install vcenter on both machin. Plenty of resources there!! As mentioned in the above post, its ESXi 5. Insufficient configured resources to satisfy the desired vSphere HA failover level on the cluster Duncan Epping · Jul 12, 2018 · I was talking to the HA team this week, specifically about the upcoming HA book. 5, currently we are facing one problem in our Cluster its showing ''Insufficient resources to satisfy HA failover level on cluster ''. [VMC on AWS] 2 Node SDDC - Unable to power on VM- Insufficient resources to satisfy configured failover level for vSphere HA (82800)1 Solution. Expandable Reservations Example 2. Insufficient configured resources to satisfy the desired vSphere HA failover level on the cluster. Highlight the erred cluster. We have been trying to gif a server 14GB of ram and make a full reservation for it. Symptoms include: Apply Changes or upgrades hang; BOSH tasks hangIf VXR014030 warning appears on any host stop and then restart HA. 0 Kudos All forum topics; Previous Topic; Next Topic; 2 Replies rcporto. vSphere HA host status Duncan Epping is a Chief Technologist in the Office of the CTO in the Cloud Infrastructure Business Group (CIBG) at VMware. See vSphere Resource Management for more information on anti-affinity rules. 3 Enter each advanced attribute you want to change in a text box in the Option column and enter a value. Cause. Browse to the cluster. vc. In this section, we will start investigating and understanding. If the cluster is yellow or red, the capacity is insufficient to meet the resource reservations configured for all virtual machines and resource pools in the cluster. When you use the Host Failures Cluster Tolerates admission control policy, vSphere HA clusters might. . D. Insufficient configured resources to satisfy the desired vSphere HA failover. Instead,. In vSphere Client 6. What is the easiest way to find out what server moved off of a host and were powered back on another host after an HA failover due to loss of a host? Reply. vSphere HA virtual machine failover unsuccessful. Actual CPU & memory usage on both hosts is negible. Select a number for the Host failures cluster tolerates. Insufficient resources to satisfy vSphere HA failover. Solution. Veeam VMware: vCenter License User Threshold Alarm. Refer to the online vSphere Availability Guide for further guidance. vSphere HA will retry the failover. The formula used to determined by the use of "slots". Insufficient vsphere HA failover resources default alarm to be alerted when there are insufficient for vSphere HA cluster resources to ensure failover. prior vSphere 5, HA had a huge dependency on the name resolution. 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. This monitor tracks the vCenter alarm that monitors if license inventory is not compliant. This object. 1 and vCenter Version 6. Browse Library Advanced Search Sign In Start Free Trial. Check which configuration is enabled there. Browse to the cluster in the vSphere Web Client object navigator. 0. Raising the number of potential host failures to tolerate will increase the availability restraints and capacity reserved. I have […] Turn on, or turn off Proactive HA and then disable HA on the cluster, then re-enable HA; Verify no firewall is interfering with HA; Set Admission Control percentage to a different, low value (10% CPU/Memory) To change the Admission control please do the following : Open the Cluster; Open Config tap; Go for VSpere Availability ; Click on 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. md","path":"README. md. This monitor tracks the vCenter alarm that is triggered when virtual machine Consolidation Needed status is set. ThanksWhen you edit a DRS affinity rule, you must use vSphere HA advanced options to enforce the desired failover behavior for vSphere HA. Click the Configure tab. VMware for Beginners – vSphere HA Configuration: Part 12(c) - BDRSuite. The hosts have insufficient resources. Review the exact description to establish the cause of the event. Refer to the online vSphere. insufficient HA failover resources. vSphere HA will retry the failover. HealthStatusChangedEvent: Health status of the vCenter HA Service changed. vc. This behaves itself for about 1 hour and then the value for the Current Failover Capacity changes to 0 and so the "HA Insufficient resources to satisfy HA failover" alert appears even though there is 4 hosts in the cluster and working fine. An administrator is using the Host Failures to Tolerate Admission Control Policy for a vSphere High Availability (HA) cluster. In this section, we will start investigating and understanding different problems regarding insufficient resources and see how vSphere uses admission control to ensure the availability of these resources. HealthStatusChangedEvent: Health status of the VMware Content Library Service changed. Brian Atkinson | vExpert | VMTN Moderator | Author of "VCP5-DCV VMware. Default vSphere alarms are set on the vCenter Server level and propagated to all child objects in the inventory. . In the vSphere 7. 5. vSphere HA failover in progress: Alarm by default to be alerted when vSphere HA is failing on virtual machines: Cannot find vSphere HA master agent:Insufficient Configured Resources To Satisfy The Desired VSphere HA Failover; Cause. I try to activate HA and get the following messages: vCenter Server is unable to find a Master vSphere HA Agent in cluster XXX Cluster in XXX Datacenter. . Nevertheless, I keep getting the "Insufficient vSphere HA failover resources" alarm. 2. "Insufficient resources to satisfy configured failover for HA" I have tried the restarting the management server, Restarted the management service on each ESX host, Disabled HA and then re-enabled all without success. Failover did not succeed. In case of a failover scenario, those VMs would be powered on first. that i set that on Cluster resource percentage. Hi All, Last night we updated Virtual Centre from 2. VMware HA and DRS are two critical vSphere features that will help solution providers monitor and manage VMs in their customer's environment. onto the dedicated failover hosts. Duncan Epping is a Chief Technologist in the Office of the CTO in the Cloud Infrastructure Business Group (CIBG) at VMware. the minumum resources you specify for the vm). This article provides guidelines and vSphere support status for guest deployments using Microsoft Windows Server Failover Clusters (WSFCs) with shared disk resources across nodes in CAB configuration on VMware vSphere 8. Check which configuration is enabled there. I have cleared my cluster alarms this morning. . You can also configure how vSphere HA responds if hosts lose management network connectivity with other hosts by using the host isolation response setting. I am then able to power on the virtual machine. Select vSphere Availability and click Edit. 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. Other factors are also. This is a safety mechanism to ensure that enough capacity is available to handle VMs from failed. there are 2 options in cluster setting for admission control : Host failures cluster tolerates which i set that on 2 hosts. Check whether the VMware vAPI Endpoint Service is running. Review your VM configurations to ensure they are compatible with vSphere HA. When we disconnected of the energy the first host (shut down simulation), the second host only restart 4 VMs (including the vCenter Virtual Appliance), and the vCenter show the message "Insufficient capacity in cluster HA_CLUSTER1 to satisfy resource configuration in MY_DATACENTER"Slot Policy Admission Control. vc. Select vSphere Availability and click Edit. With the fix, For Dedicated host policy, vSphere HA will tolerate. Expandable Reservations Example 1. Normally due to event "Insufficient resources to fail over this virtual machine. HA initiated a failover action. If you have 2 hosts and 1 of them is in maintenance more, you only have a single active host, therefore no HA protection as your cluster cannot tolerate a host failure. Fewer Available Slots Shown Than Expected The Advanced Runtime Info box might display a smaller number of available slots in the cluster than you expect. This fault occurs when the HA configuration of CPU or memory resources reserved for failover is violated or is insufficient for the DRS operation. . SonicWall’s Secure Mobile Access (SMA) 1000 Series solution simplifies end-to-end secure remote access to corporate resources hosted across on-prem, cloud and hybrid data. 1 host in a cluster. I have cleared my cluster alarms this morning. 1. i have a cluster with 3 hosts with one of them as dedicated failover host, when enabling the Admission control i am receiving the below warning : insufficient configured resources to satisfy the desired vsphere HA failover level on the cluster the warning is c. name}. Deselect the Turn On vSphere HA option. Creating and Using vSphere HA Clusters 13. External. event. This action normally will move all vm's to other host, in this case host 175. Insufficient Configured Resources To Satisfy The Desired VSphere HA Failover; Cause. Click Admission Control to display the configuration options. . prior vSphere 5, HA had a huge dependency on the name resolution. the dedicated failover hosts. And when you try to create and boot a new VM you get: “Insufficient resources to satisfy configured failover level for vSphere HA”. Instead they just lost connectivity. Configure the Alarms to send SNMP events to SNMP trap. FYI, the master image just setup 200GB(Harddisk), 8GB(Memory) and 4Core(CPU). Configure alarms in vCenter Server to be triggered when these actions occur, and have alerts, such as emails, sent to a specified set of. event. 198268. To see reservations of the vms, go to the "Resource Allocation" tab for the cluster- you can click on the cpu and memory views to see the reservation for each. in the Value column. Resolutions. To determine which is the primary host: Navigate to the Summary tab. Information. Best practice: Use vSphere HA-enabled clusters to deploy HCX. 0. name} in {datacenter. name} in {datacenter. ps1. Alguém já passou por este tipo de erro: insufficient resources to satisfy configured failover level for vsphere HA Alguém já passou por este tipo de erro: insufficient resources to satisfy configured failover level for vsphere HAaaaaaaa. In vSphere infrastructure, we will come across many known problems in highly available clusters. Right-click and select “Edit Settings”. 6 vsan but my cluster instantly turns to: insufficient vsphere ha failover resources even if all 3 nodes (dell r730xd with 2x10 core) are empty. vSphere HA Settings for an all 10 GbE SimpliVity Deployment: vSphere HA: EnabledIf you use this configuration, the CD-ROM in the virtual machine continues operating normally, even when a failover occurs. In the vSphere Client, browse to the vSphere HA cluster. 12GB with 16VMs running), highest "configured memory"'s VM = 4GB RAM Number of host failures the cluster can tolerate =. I noticed that when I did the reconfiguration some (very. vSphere HA Admission Control. This behaves itself for about 1 hour and then the value for the Current Failover Capacity changes to 0 and so the "HA Insufficient resources to satisfy HA failover" alert appears even though there is 4 hosts in the cluster and working fine. The first place I would look is in the cluster setting for HA. 5 and VCenter appliance 6. Enthusiast. When attempting to put one host into maintenance mode I get the following alarm: Insufficient vSphere HA failover resources. 2 X ESXi 5. vMSC infrastructures are implemented with a goal. I have cleared my cluster alarms this morning. I have cleared my cluster alarms this morning. 08-31-2009 10:54 PM. " Not once are these actually related to a HA event or does a VM reboot. vCenter; Cluster level; Config; Vsphere availability; Uncheck box for Vsphere Availability ; OK; Enter Vsphere availability again and re-check the box; Save; Reset the warning to green Power up VMs that cannot startEdit a Resource Pool. I am then able to power on the virtual machine. vSphere HA has been turned on. Click Admission Control to display the configuration options. 1. vCenter; Cluster level; Config; Vsphere availability; Uncheck box for Vsphere Availability ; OK; Enter Vsphere availability again and re-check the box; Save; Reset the warning to green Power up VMs that cannot startIf a host fails and its virtual machines must be restarted, you can control the order in which the virtual machines are restarted with the VM restart priority setting. Try to force the Passive node to become the Active node. Không khuyến khích; Disable Admission Control. In this section, we will start investigating and understanding. 4Tb Free space, so the issue is Datastore related(at least the one where VM is allocated). To determine which hosts are compatible for protected HA virtual machines: One responsibility of the primary host in a cluster is to manage the lists of cluster hosts and protected virtual machines. . Question #: 24. Hi my friends. Click OK. 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 VMware. vSphere High Availability (HA) is disabled on the host cluster. B. Insufficient resources and vSphere HA failover In vSphere infrastructure, we will come across many known problems in highly available clusters. Normally due to event "Insufficient resources to fail over this virtual machine. Configure the Alarm actions on SNMP Trap. One thing they mentioned is that people still seem to struggle with the concept of admission control. Otherwise, it generates an “Insufficient Resources” warning. Click Edit. 0 ReferenceVeeam VMware: vSphere HA VM Component Protection Could Not Power Off a Virtual Machine Alarm Veeam VMware: vSphere Profile-Driven Storage Service Health Alarm Veeam VMware: Virtual Machine Network Adapter Reservation Status AlarmBusiness, Economics, and Finance. Virtual Machine. Right-click the cluster name in the Navigator pane. With the default Host Failures Cluster Tolerates policy, vSphere HA performs admission control by calculating the available slot. If restart is not possible, for example, the failover ESXi hosts have insufficient resources or have failed as well, then vSphere HA attempts to restart the virtual machines on other ESXi hosts in the cluster. I am then able to power on the virtual machine. Check which configuration is enabled there. Basically, it's a natural reaction to announce you there are insufficient HA resouces because after putting one of them into the maintenance mode, the only a single. vsphere HA is turned on with response "restart VMs" Admission control configuration: Cluster summary says: Current resource consumption. ResolutionsThis host in an HA cluster has been partitioned. We enabled HA & DRS. This is a server for exams and the supplier tells us to do so. When VMware High Availability(HA) is turned ON. vc. Insufficient resources to. md. Click the Configure tab. Each host has. If the vCenter Server reports the hosts as responding: Enable the SSH access to the host. By default, the alarm is triggered by the following event: com. VMware vSphere™ Discussions. 1; vSphere Availability 5. B. 2) is looking oka. 3 Enter each advanced attribute you want to change in a text box in the Option column and enter a value. NotAllHostAddrsPingable : EventEx : vSphere HA agent cannot reach some cluster management addresses External. This fault is reported when: The host is requested to enter maintenance or standby mode. Try to REеnable HA. HA initiated a failover action. md","contentType":"file"},{"name":"Set-vCenter51AlarmEmails. ; Right-click all hosts in the. 1 - Insufficient resources to satisfy configured failover level for vSphere HA. Cannot find vSphere HA primary agent : Monitors whether vCenter Server is able to connect to a vSphere High Availability primary agent. External{"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"LICENSE","path":"LICENSE","contentType":"file"},{"name":"README. Instead, vSphere HA issues an event reporting there are insufficient resources to perform the failover. Admission control configuration: Cluster summary says: Current resource consumption. In this case, you can use the vSphere HA advanced options to reduce the slot size, use a different admission control policy, or modify the policy to tolerate fewer host failures. vSphere High Availability (vSphere HA) was first introduced by VMware in Virtual Infrastructure 3 in 2006, and has been continuously supported and developed. No further action is required. First uncheck Enable VMware HA -> OK. HA. 1 In the cluster’s Settings dialog box, select VMware HA. When AC determines the percentage based values, it derives 33%. See VMware online documents such as Troubleshooting VMware High Availability and the vSphere Troubleshooting Guide to resolve HA issues. By default, the alarm is triggered by the following event: vim. Resource Pool Admission Control. 7 upgrade Please assist us to fix the issue Reply Unable to Power On Virtual Machine Due to Insufficient Failover Resources You might get a not enough failover resources fault when trying to power on a virtual machine in a vSphere HA cluster. 2. There two options in HA. VMware Employee. Could it be memory use is spik. Normally due to event "Insufficient resources to fail over this virtual machine. 1 - Insufficient resources to satisfy configured failover level for vSphere HA. Guest operation authentication failed for an operation on the VM. Click the Configure tab. Not always but sometimes we tend to see an alarm on a VM "vSphere HA virtual machine failover failed". Basically, it's a natural reaction to announce you there are insufficient HA resouces because after putting one of them into the maintenance mode, the only a single host remains in the cluster, So the HA feature of the cluster cannot protect against the host failure. The problem can have the following causes: Hosts in the cluster are disconnected, not responding or are placed to the maintenance mode. vmware. This issue is resolved in vCenter Server 6. 2. Now, the weirdest thing is that we DO have sufficient HA failover resources!! Here is our setup: 3 x HP blades, each with: 2 x hex-core 2Ghz Intel Xeon. 192GB RAM. 5. VCSA is 7. To resolve the issue you can do one of the following. [well most of the time, they do]. 2 X Processors (8 Cores each) with HT. The following workaround prevents the ESX from checking for insufficient COS memory. Insufficient resources to satisfy configured failover level for vSphere HA I have two ESXi 5. For testing we enabled maintenance mode on one of the ESXi host where the VCSA VM is running, we expect the VM to migrate (vMotion) to the other host automatically, but getting warning message saying "Insufficient vSphere HA failover resources". Memory total: 178970Mb, Reserved: 124168. Select an option for Define host failover. In the Home screen, click Hosts and Clusters. You can configure vSphere HA to perform admission control by. Insufficient resources to satisfy vSphere HA failover level on cluster Link_Cluster1 in Link_Datacenter1,Configuration Issue,5/14/2016 10:46:25 AM, I'm using the same. Related Resources; Social Sciences Data Librarian Social Sciences Data Librarian daniel Brendle-Moczuk, MLIS danielbm@uvic. . vCenter supports a logical hierarchy of data centers, clusters, and hosts, which allow resources to beBuenas Tardes; Tengo un problema donde los Blades se desconectan seguido en mi Virtual Center, pero unos segundos despues regresan y los equipos virtuales no se afectan ni se reinician. D. 0. StartFTSecondaryFailedEvent| vSphere HA agent failed to start Fault Tolerance secondary VM {secondaryCfgPath} on host {secondaryHost} for primary VM {vm. Resolutions. vSphere HA suspends the VMs until a host is available. turn HA on/off didnt help admission controll is turned off, but even if i say 1 host can f. That makes sense about the message "insufficient resources to satisfy HA failover" that was generated, but Just wondered why the virtual machines on the ESX Server that disconnected didnt migrate to the other healthy ESX host as well. once DNS is confirmed, you can reinstall the HA agents by right clicking the Cluster --> edit settings --> Uncheck DRS/HA checkboxes --> OK. 60Mb, Available 54801. In this video, I discuss a situation where vSphere HA reports that there are not enough failover resources for restarting a VM. 0 Kudos All forum topics;Therefore HA will utilise the default slot size, which will be a 'false' value, as the number of VMs I can power on will be significantly lower than the number of available slots. vCenter scales to enterprise levels where a single vCenter can support up to 2,500 hosts (VxRail nodes) and 30,000 virtual machines. By default, the alarm is triggered by the following event: vim. 09-17-2018 06:12 AM. vSphere HA powers down the VMs. vSphere HA operates within the boundaries of a cluster. Review VMware online documents such as Troubleshooting VMware High Availability and the vSphere. Upon further investigation of the tasks I see Unable to automatically migrate (VM) from ESXIHost1. By default, the alarm is triggered by the following events: com. Causes. HA must respect VM anti-affinity rules during failover-- When the advanced option for VM anti-affinity rules is set, vSphere HA does not fail over a virtual machine if doing so violates a rule. Click Edit. Browse Library. Default alarm to alert when vSphere HA is in the process of failing over virtual machines. 2 X Processors (8 Cores each) with HT enabled. Insufficient resources and vSphere HA failover. 3. " Workaround. ; The vCenter HA Service (VMware vCenter High Availability Service) is responsible for protecting the vCenter Server Appliance against host, hardware and.