37 Comments. Near the end of the vMotion process a VM is briefly paused from. Best practice is generally to use the latest BIOS version available for the server, even if it is newer. 1) Create new cluster with appropriate EVC setting. vim. While the Controller VM is powered on, the hosts cannot enter maintenance mode. All. This can be done without any interuption. To verify the status of the CPU mode, check the EVC CPU Mode column. 5u2 should work. Alternatively you could also manually mask CPU instructions per-VM with advanced settings if you don't have source and destination host in the same cluster, but it's a tedious task and I wouldn't recommend it. 自身でも調べたところ、以下のナレッジにたどり着きましたが、. Select a cluster in the inventory. Features:. Change No-Execute Memory Protection to Enabled, if necessary. See the below docs for further details. TLS 1. Both of these servers are DELL 2950 Series 3 servers with 32 GB of RAM. Examples : If the VM is on a Broadwell host and power on, it will display "EVC Broadwell". Enhanced vMotion Compatibility (EVC) simplifies vMotion compatibility across CPU generations. RECOMMENDED CPU CLOCK SPEED ESX 3. 0 U1. To guarantee the stability of virtual machines after a migration with. Self-service, web-based support resources such as the Knowledge Base and VMware Communities are also available In your case you could add the new host to the new EVC enabled cluster, power off the VM's on one "old" host, and power them on again on in the new cluster. VMware recommends not using CPU affinity in production because it limits the hypervisor’s ability to efficiently schedule vCPUs on the physical server. Anyone who wants to understand how CPU compatibility constraints can affect live migration of virtual machines This guide covers the following topics: “Introduction to VMware VMotion” on page 1 “CPU Compatibility Requirements for VMotion” on page 3 “Enhanced VMotion Compatibility” on page 6To enable processor compatibility mode for a VM using Hyper-V Manager: Shut down the VM. 40GHz. I've created a small table with a quick overview about EVC Modes with their appropriate CPU Series and Codenames used. Click Start, point to Administrative Tools, and then click Hyper-V Manager. VMware Enhanced vMotion Compatibility (EVC) enhances the scope of vMotion by making ESXi hosts with different CPU technologies compatible for vMotion. 2. It will tell the supported EVC mode. For more information about Fault Tolerant Compatabile Set, please refer to VMware KB 1008027. 7 and it works fine, i can add the host to a sky lake EVC cluster. 5 U1 ESXi 6. In the Work pane, click the Manage or Configure tab. Now, we need to add one host with CPU of Intel Xeon E5-2630 @ 2. Worse case scenario, simply identify a maintenance window to shut down, migrate, and power on the VM. CPU compatibility is not enforced for the hosts in this cluster. vmx| I125: Capability Found: cpuid. When i config HA cluster to run vM. EVC automatically configures server CPUs with Intel FlexMigration or AMD-V Extended Migration technologies to be compatible with older servers. I want to ensure is that possible reside these different type of server in one cluster with EVC mode ? if YES, which type of EVC. In the example shown on the screenshot below, ESXi 6. For more information about Fault Tolerant Compatabile Set, please refer to VMware KB 1008027. Which mode i need to select for the mixed cluster with. VMware Enhanced vMotion Compatibility (EVC) B. 0 U1 vSphere 8. 3. After clicking the CPU/EVC Matrix button, you can see on the screenshot that Intel Penryn Generation should be selected in the EVC mode settings. Therefor you have the oportunity to use EVC. Technical support for VMware products is available online or by phone depending on your support offering. Upgrading is on the list. The per-VM EVC feature facilitates the migration of the virtual. I know its old. This allow you to do a manual check of what EVC tests on you're hosts. To my surprise I see that EVC mode cannot be enabled because the cluster contains a host (my R710) that lack EVC capable hardware. vSphere Enhanced vMotion Compatibility (EVC) ensures that workloads can be live migrated, using vMotion, between ESXi hosts in a cluster that are. More factors than CPU compatibility are used to determine vMotion compatibility. Product Release Version:. . In the vSphere Client, navigate to the virtual machine. Click Add. Hardware Support Managers. CPU compat just means that the CPU works with ESXi. That section is quite similar to the "flags" in cat /proc/cpuinfo output of a Linux machine. VMware Compatibility Guide. Updated on 08/24/2022 vCenter Server performs compatibility checks before it allows migration of running or suspended virtual machines to ensure that the virtual machine is. 5, however you could use broadwell CPUs in vsphere 6. The host CPU lacks features required by that mode. Install VMware Tools. If you powered off or migrated virtual machines out of the cluster, power on the virtual. If you have such new processor architecture and want to migrate your VMs via vMotion you have to check the EVC compatibility (see below). VMs will be stuck on the old cpu instruction set until a reboot takes place (of the vm). Features: All Certified Memory - DRAM Certified Persistent Memory (PMem) Distributed Services Engine Extended Configuration Maximum Fault Tolerant (FT) Intel Optane Persistent Memory (PMem) Memory Mode Intel SGX Legacy FT PCIe Hot-Plug Ready Quick Boot SR-IOV. It is to inform the user that the virtual machine is exposed to CPU features that would require an EVC mode of at least that level to admit the virtual machine to an EVC cluster. 5 : Notes . You could instead do this. 10-20-2010 05:34 PM. However, there was one feature I was particularly interested in and that was Per-VM EVC (Enhanced vMotion Compatibility). Currently Qualified Hardware Lifecycle Management Applications. On the Configure tab, select VMware EVC. More factors than CPU compatibility are used to determine vMotion compatibility. Initiator: For more information on EVC, see Enhanced vMotion Compatibility (EVC) processor support (1003212). This white paper focuses exclusively on CPU compatibility and outlines CPU compatibility checks performed by VMware VirtualCenter before allowing migration with VMotion. April 25, 2013. This would 'turn off' CPU features in the new hosts over and. Enhanced vMotion Compatibility (EVC) simplifies vMotion compatibility issues across CPU generations. So 6. Thanks. Enhanced VMotion Compatibility (EVC) simplifies VMotion compatibility issues. More information is documented at Checkout my blog at For more information about EVC modes and EVC modes supported in an ESX release, please refer to VMware KB 1003212. CPU Compatibility Scenarios. Under the Configure tab, select VMware EVC. This results in having two EVC baselines for every microarchitecture. For more information about Fault Tolerant Compatabile Set, please refer to VMware KB 1008027. June 11, 2019. I have 2 type of server with different type of cpu as below : HP DL380P g8 (Intel (R) Xeon (R) CPU E5-2690 0 @ 2. Support of D3D 11. 5u2 should work. Product Release Version:. VMware Product Interoperability Matrix. The physical host and the 3 virtual hosts are clustered, but I cannot enable EVC on the cluster. You mentioned that you have two hosts, one with a Westmere CPU, and one with a Nehalem CPU. Go back to your web browser’s tab with vSphere Web Client and open EVC mode settings for the cluster. It works without issues. The host's CPU hardware should support the cluster's current Enhanced vMotion Compatibility mode, but some of the necessary CPU features are missing from the host. In the Configuration panel, expand EVC Mode. If all the hosts in a cluster are compatible with a newer EVC. yes, the only posible way to vmotion VMs among different cpu generations is to put those hosts in to Enhanced VMotion (EVC) mode. If you want to go for vSphere 7. . Cloud on AWS; Cloud on Dell EMC; vCloudWhat are you looking for: CPU Series Platform & ComputeNiels Hagoort. To my surprise I see that EVC mode cannot be enabled because the cluster contains a host (my R710) that lack EVC capable hardware. CPU compatible doubt. Else you have to set a EVC baseline in new cluster which supports both V2 and V4 model, then have to perform cold migration. vSphere Enhanced vMotion Compatibility (EVC) ensures that workloads can be live migrated, using vMotion, between ESXi hosts in a cluster that are running different CPU generations. Be aware that the EVC cluster must support the same or a subset of the extensions available in the host you add, and that feature set must be the same or a superset of the extensions the virtual machine expects. One server cpu: Intel xeon E5-2665. On the Change EVC Mode page, select whether to activate or deactivate EVC. . 0 Update 1 system. For example, if the virtual machine does not reside on storage shared by the source and destination hosts, then migration with vMotion cannot occur between these hosts. Self-service, web-based support resources such as the Knowledge Base and VMware Communities are also availableIn the Hosts and Clusters view, select the new cluster, click Configure, and select VMware EVC. For more information about EVC modes and EVC modes supported in an ESX release, please refer to VMware KB 1003212. 2) Migrate VMs from one host, put it in maintenance mode, and then move it to the new cluster. February 15, 2015. ESXi hosts and compatible virtual machine hardware versions are listed in this table: Notes: Virtual machine hardware version 12 is not present as it is only applicable to VMware personal desktop products Fusion/Workstation/Player. Enable EVC in the cluster settings. The Advanced Cross vCenter Server vMotion (XVM) capability was one of the most popular VMware Flings . 3 standards. CPU Capabilities: CPU Series: Enhanced vMotion Capability Modes. RECOMMENDED CPU CLOCK SPEED ESX 3. Change the EVC Mode for a Cluster VMware EVC and CPU Compatibility FAQ How to update the hardware compatibility for the VM. Select the product you wish to start with, such as VMware vCenter Server. PCLMULQDQ = 0x1. What are you looking for: CPU Series Platform & ComputeHi, we use both G6 and G7 with EVC Mode. The EVC setting that is shown when a VM is powered on is what EVC mode is the minimum the VM can enter. Then shut down the remaining VMs on the. CPU Series: All AMD EPYC 7001 Series AMD EPYC 7002/7Fx2/7Hx2 Series AMD EPYC 7003/7003X Series AMD EPYC 8004 Series AMD EPYC 9004 Series AMD Opteron 13xx Series AMD Opteron 23xx Series AMD Opteron 24xx Series AMD Opteron 3200 Series AMD Opteron. Select your ESXi version under Product Release Version. vCenter Server compares the CPU features available to a virtual machine with the CPU features of the destination host to determine whether or not to allow migrations with vMotion. Select the server running Hyper-V and the desired VM. vCLS (vSphere Cluster Services) coming with vCenter 7. It describes why some CPU compatibility constraints make VMotion possible only between certain revisions of CPUs. Upgrading only the ESXi hosts is not supported. Attention: Intel CPU EVC Matrix (VMware Enhanced vMotion Compatibility) 23/06/2017. You can also activate, deactivate, or change the EVC mode at the virtual machine level. What EVC modes are available? vCenter 5. 0. You can also activate, deactivate, or change the EVC mode at the virtual machine level. EVC はデフォルトで無効になっています。VMware EVC のクラスタ設定で EVC を有効にすることができます。 これは HX Data Platform の制約ではなく、VMware の制限です。さらに詳細については、VMware KB の記事「EVC and CPU Compatibility FAQ (1005764)」を参照してください。When creating a new virtual machine, using the vSphere Client, select virtual machine compatibility with ESXi 8. 7 is unsupported, Yet, it is a reality that 6. Upgrading only ESXi is not supported. That section is quite similar to the "flags" in cat /proc/cpuinfo output of a Linux machine. In ESXi/ESX, Server, Lab Manager, or GSX, depending on the version in use, right-click the entry for the virtual machine, then select:Hello, Help please with one question. It offers the same functionality as a physical TPM but is used within virtual machines (VMs). I am attempting a vMotion from an HP DL380G6 ( L5520@2. < VMware Knowledge Base >. It also disables the ability to vMotion a VM. The EVC mode selected is Intel Xeon Core 2. VMs with virtual hardware version less than 13 are not exposed to any Skylake CPU features so will not show Skylake as their 'EVC Mode'. Cloud on AWS; Cloud on Dell EMC; vCloudSelect Advanced Options. To enable Skylake EVC Mode on an existing cluster of Skylake Hosts: Power off VMs with hardware version 17 and above; Enable Skylake EVC Mode on the cluster; OR Downgrade the Virtual Hardware version to 16 or lower for the impacted VMs using the steps mentioned Downgrading the virtual machine hardware version in ESXiEnhanced vMotion Compatibility works by creating a baseline of processor compatibility across all the hosts in a cluster. Does EVC allow AMD and Intel CPUs to be vMotion compatible? No. vmfeature. 7. 0 U3 ESXi 7. In ESX 3. Options available to fix the issue: 1 – Do not enable EVC on the new cluster. Merom to. More information is documented at Checkout my blog at. In order to maintain this compatibility the new features are hidden from guests within the cluster until all hosts in the cluster are properly updated. CPU Capabilities: Supports SMP-FT Capable of Legacy FT ALL CPUs. Hosts in an EVC cluster and hosts that you add to an existing EVC cluster must meet EVC requirements. EVC Mode : Per-EVC settings will be retained (introduced in vSphere 6. cpuid. Once you have selected the necessary parameters, click the CPU/EVC Matrix button to see the table of available EVC modes for your ESXi servers. The Network Compatibility Checks During vMotion Between vCenter Server Instances section in the. 7. I hoped to use EVC mode to enable vMotion between this and two Dell PE 2950 hosts also with dual Intel Xeon E5420 quad core CPUs. Features: All Certified Memory - DRAM Certified Persistent Memory (PMem) Distributed Services Engine Extended Configuration Maximum Fault Tolerant (FT) Intel Optane Persistent Memory (PMem) Memory Mode Intel SGX Legacy FT PCIe Hot-Plug Ready Quick Boot SR-IOV Total combined. 1 is in the roadmap and will be part of future releases. VMware® Enhanced vMotion Compatibility (EVC) enhances the scope of VMware vSphere® vMotion® by making VMware® ESXi™ hosts with different CPU technologies compatible for vMotion. See KB 1003212 for cluster EVC. Are this processor compatible with my actual E5345? I use ESX 3. This article provides information regarding the EVC Mode column where if it is not empty, it does not mean that EVC is enabled for a virtual machine. That means EVC will allow and expose CPU instruction. The underlying CPU manufacturer & architecture of the host processor. EVC will make sure that all hosts in the cluster present the same CPU feature set to their virtual machines, even if the actual CPUs on the hosts differ. Click Enable EVC for Intel Hosts. From the vSphere Web Client Navigator, select Hosts and Cluster > Datacenter > HX Cluster. Please check with the server vendor for specific CPU support. Modern processors have evolved to include complex instruction sets that improve speed and performance of the applications using them. Use a cluster with Enhanced vMotion Compatibility (EVC) enabled to create a uniform set of CPU features across the cluster, or use per-VM EVC for a consistent set of CPU features for a virtual machine and allow the virtual machine to be moved to a host capable of supporting that set of CPU features. In this paper, we quantify the performance impact of EVC mode on a diverse set of applications. If validation is successful, Then you can perform online vmotion. If on a supported CPU verify EVC is set to a generation that is supported for the installed ESXi version and that the VM hardware level is upgraded to the supported ESXi version. Intel Xeon 55xx Series CPU's only support the first 3 Modes, which means you. This white paper focuses exclusively on CPU compatibility and outlines CPU compatibility checks performed by VMware VirtualCenter before allowing migration with VMotion. EVCを有効にしようとしたのですが、互換性部分にてエラーが表示されてしまい、有効化することができない状態です。. In ESX 3. No go. Server Virtualization VMware ESXi The main recommendation for vMotion is using the same model of CPUs on all ESXi servers for smooth VM live migration. Enhanced vMotion Compatibility (EVC) Supported vSphere versions. CPU Capabilities: Supports SMP-FT Capable of Legacy FT ALL CPUs. 0 U1 ESXi 7. VMware Enhanced vMotion Compatibility (EVC) is a vSphere cluster feature that allows virtual machines (VMs) to use vMotion between hosts with different processors. ssbd; See KB 1003212 for more information. Legacy FT Compatible Set: N/A: Supported Release(s). See the knowledge base article Enhanced vMotion Compatibility (EVC) processor support (1003212) on the VMware web site. 0. vCenter Server 's CPU compatibility checks compare the CPU features available on the source host, the subset of features that the virtual machine can access, and the features available on the target host. 5, to have EVC support for Broadwell CPU. iso file in that zip that you can brun to a cdrom and then test on your host systems. mdclear; com. : The actual CPU deployed by server vendor may use fewer than the Max Cores and Max Threads specified on this page3 Replies. Daemon Management. From the vSphere Web Client Navigator, select Hosts and Cluster > Datacenter > HX Cluster. The per-VM EVC feature facilitates the migration of the virtual machine beyond the cluster and across vCenter. The actual CPU deployed by server vendor may use fewer than the Max Cores and Max Threads specified on this page Product Download. Select VMware EVC. Giving a brief, high-level overview, EVC can be used to set a baseline of CPU features available to a VM or a set of VMs. Dell-VMware VMotion Compatibility Matrix | 11 Dell-Supported Processor Compatibility Matrix With Enhanced VMotion Table 5 lists the compatibility matrix across 32-bit and 64-bit VMs based on Intel processor models that enable Enhanced VMotion. cpuid. (CPUs). Select a host in the inventory. with ESX 3. 0, the "Intel Haswell Generation" EVC mode has been introduced. vSphere High Availability (HA) Show Suggested Answer. Note: Before you choose the EVC mode in vCenter, open a new browser tab and check VMware Compatibility Guide (the appropriate section above in this guide shows the example). VMware vSphere Version / CPU Compatibility for EVC. but by activating the EVC mode the vcenter makes a precheck and checks every esx server if it is compatible with the selected EVC mode. With a baseline in place for older processors, applicationWhether you are using the classic Enhanced vMotion Compatibility (EVC) on a vSphere Cluster or the new Per-VM EVC capability, the usable (user-level) CPU features from an ESXi host are then presented down into a Virtual Machine for consumption. Click Edit and select the latest generation of the CPUs in all the nodes. Node1: 2x quad core Intel E5440 CPUs Node2: 2x quad core Intel E5440 CPUs Node3: 2x quad core Intel E5345 CPUs I am going to P2V a server that has 2x quad core Intel X5450 CPUs. Click the Configure tab, select VMware EVC, and click Edit. 0 U2 vSphere 7. Version 33 of the Pexip Infinity platform supports VMware vSphere ESXi 6. 3. I know that EVC isn't compatible for this CPU on ESXi 5. For Intel and AMD processors, VMware supports the processor series and the processor model that are listed with each server. Examples : If the VM is on a Broadwell host and power on, it will display "EVC. In the vmware. The E5-2670 is a Sandy Bridge family Intel processor. In vSphere 7. Enabling sub-NUMA clustering on a Bare Metal Edge may result in a shortage of heap memory. EVC ensures that all hosts in a cluster present the same CPU. Hold down the CTRL key and select the type of processors from the CPU Series list. This issue occurs due to: Skylake EVC mode not expose the Memory Protection Extensions (MPX) feature. 5u1. VMware Compatibility Guideyou have to enable the highest possible EVC generation mode for your oldest CPU generation. EVC automatically configures server CPUs with AMD-V Extended Migration technologies to be. I Have two issues, which I think is related. Supported vSphere editions. Upgrading is on the list. Per VM Enhanced vMotion Compatibility Allows seamless migration across different CPUs across the hybrid cloud by persisting the EVC mode per-VM during migrations across clusters and during power cycles. If the VM is running, you must shut down the VM to enable the processor compatibility mode setting. Renuncia: Este artículo es una traducción de "EVC and CPU Compatibility FAQ" (1005764). 1 are disabled by default. You would need a CPU mask on the vCenter VM to migrate it into the EVC cluster and adding one would require a restart. So just enable EVC on the cluster with the Sandy Bridge compatibility mode and you're fine in terms of vMotion compatibility. Even if the output of command above is same, you can try refreshing EVC. 2. What are you looking for: CPU Series Platform & Compute04-26-2016 05:14 PM. We recommend that you install only one Cisco ACI Virtual Edge virtual machine (VM) on each host. For interoperability between VMware products, select Solution/Database Interoperability. If using VMWare, enable Enhanced vMotion Compatibility (EVC) and set the EVC baseline to at least Intel® Nehalem (L2) or AMD Opteron™ Generation 4 (B1). For clusters with mixed-generation nodes, select the relevant earliest processor level. Technical support for VMware products is available online or by phone depending on your support offering. For more information about EVC modes and EVC modes supported in an ESX release, please refer to VMware KB 1003212. [Intel Virtualization Technology]は有効化済み、[非実行. 5. What's New. Intel Cascade Lake. Alternatively, v-motion a running VM from a machine inside the. Enhanced vMotion Compatibility (EVC) is a vSphere feature that you can enable on a specific cluster to maximize the vMotion compatibility of hosts within that cluster. 7 U2 ESXi 6. The host. p03. Hold Ctrl to choose the CPU Series in your hosts> choose the subsequent parameters> click CPU/EVC Matrix. For more information, see EVC and CPU Compatibility FAQ (1005764) and Enhanced vMotion Compatibility (EVC) processor support (1003212). Enable EVC for the CPU vendor and feature set appropriate for the hosts in the cluster, and click OK. For more information about Fault Tolerant Compatabile Set, please refer to VMware KB 1008027. EVC ensures that all hosts in a cluster present the same CPU feature set to virtual machines, even if the actual CPUs on the hosts differ. CPU=Intel Xeon E5645 @ 2. Min Certified Memory: Sockets: Max Cores per Socket: CPU Series: All AMD EPYC 7001 Series AMD EPYC 7002/7Fx2/7Hx2 Series AMD EPYC 7003/7003X Series AMD EPYC 8004 Series AMD EPYC 9004 Series AMD Opteron 6200 Series AMD Opteron 6300 Series AMD Ryzen Embedded V1000 Series Intel Atom C2300 Series Intel Atom C2500 Series. Figure. I think I have one last question on this topic. PCLMULQDQ = 0x1. Additional Documentation. In the Work pane, click the Manage or Configure tab. Click the Edit button and select the desired EVC. To workaround this issue, try enabling EVC mode within your cluster. In order to enable VMware EVC on your hosts & Cluster you will have to ensure the following Bios settings are enabled for each. CPU-Z can be quite limited in what it shows. The minimum VM hardware compatibility should be set to 9. 01 ones to the new esx 3. com. What are you looking for: CPU Series Platform & ComputeWhat are you looking for: CPU Series Platform & ComputeWhat are you looking for: CPU Series Platform & ComputeWhat are you looking for: CPU Series Platform & ComputeWhat are you looking for: CPU Series Platform & ComputeIMPORTANT: For clusters using VMware vSAN, you must first upgrade the vCenter Server system. Search VMware's Knowledge Base. There are two ways to migrate VMs: Live migration, and Cold migration. After EVC is enabled for a cluster in the VirtualCenter inventory, all hosts in that cluster are. VMs with virtual hardware version less than 13 are not exposed to any Skylake CPU features so will not show Skylake as their 'EVC Mode'. The vCenter patches enable vMotion compatibility to be retained within an EVC cluster. Product Name: All VMware Cloud on AWS ESXi Fusion Workstation. Standalone ESXi hosts are not supported. stepping : 4. 0 and TLS Protocol. A lot of customers were anxious to see this capability being an integrated part of vSphere. Enable Enhanced vMotion Compatibility (EVC) in the HX cluster. EVC masks only those processor features that affect vMotion compatibility. To know more about the EVC feature read the following VMWare Blog : Enhanced vMotion Compatibility (EVC) Explained Note: Consider a maintenance window in your production environment to. Description. Go to VMware Compatibility Guide and select CPU Series from the What are you looking for drop-down. : For more information about Fault Tolerant Compatabile Set, please refer to VMware KB 1008027. : For more information about Fault Tolerant Compatabile Set, please refer to VMware KB 1008027. " You will find a . (91790) After Storage vMotion all DFW rules are removed from the VM (91818) NSX-T Local Manager stuck in “Initializing State” after restoring from a backup in a Federation environment (92143) 今回は最近公表された KB の中から影響度が. Step 3: Once you click Upgrade VMware Tools, you will be presented with 2 types of upgrades. For example, if the virtual machine does not reside on storage shared by the source and destination hosts, then migration with vMotion cannot occur between these hosts. Under Configuration, select VMware EVC, and click Edit. The VMware Host Client is a web-based application that you can use to manage individual ESXi hosts that are not connected to a vCenter Server system. It should be verified if Monitor/MWAIT. The EVC feature is deactivated. 10GHz) in a vSphere cluster with 1 x vCenter, 2 x Connection/Security servers and several Windows 7 VMs. VMware provides this as an ISO image file that can be uncompressed and used to create a bootable CD-ROM that provides CPU information. For Intel and AMD processors, VMware supports the processor series and the processor model that are listed with each server. Click Reset All to Default to reset the CPUID Mask. Source: ©2022 VMware, Inc . we can update the old ones to esx 3. Thanks for all the help so far. Can I might a running vm from a host outside the EVC enabled cluster to a host inside the EVC enabled cluster. We wanted to add 2 more hosts to the environment and found a Dell compatibility matrix that said the 5600 series and the E7-2800's both supported VMOTION compatibility. For more information about Fault Tolerant. (CPUs). Procedure. The actual CPU deployed by server vendor may use fewer than the Max Cores and Max Threads specified on this page Click the VMs > Virtual Machines tab. Help. But,when i enable EVC i can see there following EVC modes. VMware® Enhanced vMotion Compatibility (EVC) enhances the scope of VMware vSphere® vMotion® by making VMware® ESXi™ hosts with different CPU technologies compatible for vMotion. You also must set the cluster Enhanced vMotion Compatibility (EVC) to a Nehalem CPU or later. Several EVC approaches are available to ensure CPU compatibility: . After EVC is enabled for a cluster in the vCenter Server inventory, all hosts in that cluster are configured to present identical CPU features and ensure CPU compatibility for vMotion. Current Results: 0. If the output is different, then it seems like your EVC needs to be refreshed by disabling EVC and re-enable it on ESXi cluster level. 00GHz. VMs will be stuck on the old cpu instruction set until a reboot takes place (of the vm). My first issue is when I go to. Go to VMware Compatibility Guide and select CPU Series from the What are. vmx| I125: Capability Found: cpuid. CPU Compatibility Scenarios. What are you looking for: Guest OS. 83GHZ I have purchased another DELL 2950 Series 3 serv. Click Reset All to Default to reset the CPUID Mask. You can use the Enhanced vMotion Compatibility (EVC) feature to help ensure vMotion compatibility for the hosts in a cluster. If needed, add the ESXi host to the vCenter Server inventory. NOTE: For more information on VMotion requirements, see Important Information. For more information about EVC modes and EVC modes supported in an ESX release, please refer to VMware KB 1003212. VMware EVCWhat are you looking for: CPU Series Platform & ComputeEnhanced vMotion Compatibility (EVC) simplifies vMotion compatibility issues across CPU generations. To simplify vMotion across CPU generations VMware has introduced Enhanced vMotion Compatibility (EVC). The current release supports a single mode called “baseline,” corresponding to D3D 10. When trying to add the host to the cluster we get the following error: The host's CPU hardware should support the cluster's current Enhanced vMotion Compatibility mode, but some of the necessary CPU features are missing from the host. So what you may do is to vMotion all VMs that have not been powered on on the newer Westmere host to the Nehalem host. This allows you to migrate the VM's one-by-one without the need to power off all VMs at the. . For more information about EVC modes and EVC modes supported in an ESX release, please refer to VMware KB 1003212. For more information on identifying Intel processors and their features, see Application Note 485: Intel ® Processor Identification and the CPUID Instruction, available from Intel.