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VMware vSphere ESX 6.5 and vCenter 6.5 Configuration Maximums

The following listings are a comprehensive collection of configuration maximums from VMware products.


Virtual Machine Maximums


Host Maximums

 ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5ESX 3ESX 2ESX 1
Logical CPUs per host576480320160160160643232168
Virtual machines per host102410245125125123203201281288064
Virtual CPUs per host409640964096204820485125121281288064
Virtual CPUs per core323232252525208888
RAM per host12TB12TB4TB2TB2TB1TB1TB256GB256GB64GB64GB
LUNs per server512256256256256256256




vCenter Server Maximums

vCenter Server MaximumsESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5ESX 3
Hosts per vCenter Server200010001000100010001000300200200
Powered on virtual machines25000100001000010000100001000030002000
Registered virtual machines35000150001500015000150001500045002000
Linked vCenter Servers10101010101010

Hosts in linked vCenter Servers4000400030003000300030001000

Powered on virtual machines in linked vCenter30000300003000030000300003000010000

Registered virtual machines in linked vCenter50000500005000050000500005000015000

Concurrent Client connections6018010010010010030

Number of host per datacenter2000500500500500400100

MAC addresses per vCenter Server6553665536655366553665536



USB devices connected at vSphere Client
20202020




Cluster and Resource Pool Maximums

 ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5
Hosts per cluster6464323232323232
Virtual machines per cluster8000400040004000300030001280
Virtual machines per host10241024512512512320100
Maximum concurrent host HA failover


323244
Failover as percentage of cluster


100%100%50%50%
Resource pools per cluster16001600160016001600512512128
Resource pools per host16001600160016001600
4096
Children per resource pool110011001024102410241024

Resource pool tree depth8888881212


Network Maximums

 ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5ESX 3
Total virtual network switch ports per host4096409640964096409640964096127
Maximum active ports per host10161016101610501016101610161016
Virtual network switch creation ports4088408840884088408840884088

Port groups512512512256256512512512
Distributed virtual network switch ports per vCenter6000060000600006000030000200006000

Static port groups per vCenter1000010000100001000050005000512

Ephemeral port groups per vCenter1016101610162562561016


Hosts per distributed switch2000100050050035035064

Distributed switches per vCenter128128128128323216

VMDirectPath PCI/PCIe devices per host8888888

VMDirectPath PCI/PCIe devices per virtual machine444444


Concurrent vMotion operations per host (1Gb/s network)4444422

Concurrent vMotion operations per host (10Gb/s network)88888




Storage Maximums

 ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5ESX 4.1ESX 4.0ESX 3.5ESX 3
Software iSCSI  NICs per server888888


Number of total paths on a server204810241024102410241024


Number of paths to a iSCSI LUN888888


Software iSCSI targets256256256256256256256

NFS mounts per host2562562562562566464

FC LUNs per host512256256256256256256256256
FC LUN ID163831023255255255255255255255
FC Number of paths to a LUN323232323232323232
Number of HBAs of any type8888888

HBA ports1616161616161616
Targets per HBA25625625625625625625615
Software FCoE adapters44444



Volumes per host512256256256256256256256
Hosts per volume6464646464646432
Powered on virtual machines per VMFS volume20482048204820482048
256

Concurrent vMotion operations per datastore128128128128128



Concurrent Storage vMotion operations per datastore88888



Concurrent Storage vMotion operations per host22222



Concurrent non vMotion provisioning operations per host88888



VMFS Volume size64TB64TB64TB64TB64TB64TB64TB64TB
Virtual disks per datastore cluster900090009000





Datastores per datastore cluster646464





Datastore clusters per vCenter256256256






Fault Tolerance Maximums

 ESX 6.5ESX 6.0ESX 5.5ESX 5.1ESX 5.0
Virtual disks16161616
Virtual CPUs per virtual machine44111
RAM per FT VM64 GB64GB64GB64GB64GB
Virtual machines per host44444


Virtual SAN Maximums

 ESX 6.5ESX 6.0ESX 5.5
Virtual SAN disk groups per host555
Magnetic disks per disk group777
SSD disks per disk group111
Spinning disks in all diskgroups per host353535
Components per Virtual SAN host900090003000
Number of Virtual SAN nodes in a cluster646432
Number of Virtual SAN nodes in a cluster (All-Flash)32

Number of datastores per cluster111
Virtual machines per host200200100
Virtual machines per cluster600064003200
Virtual machine virtual disk size62TB62TB2032GB
Disk stripes per object121212
Percentage of flash read cache reservation100100100
Failure to tolerate333
Percentage of object space reservation100100100
Virtual SAN networks/physical network fabrics222


VMware vSphere ESX 6.5 and vCenter 6.5 Configuration Maximums