VMware vSphere Configuration Maximums

Virtual Machine Configuration Maximums

6.5

6.0

Compute

Virtual CPUs per virtual machine (Virtual SMP 128 128

Memory

RAM per virtual machine 6 TB 4 TB
Virtual machine swap file size 6 TB 4 TB

Storage Virtual Adapters and Devices

Virtual SCSI adapters per virtual machine 4 4
Virtual SCSI targets per virtual machine 60 15
Virtual NVMe adapters per virtual machine 4
Virtual NVMe targets per virtual SCSI adapter 15
Virtual NVMe targets per virtual machine
60
Virtual disk size 62 TB 62 TB
IDE controllers per virtual machine
1 1
IDE devices per virtual machine
4 4
IDE CDROM devices per virtual machine
4 4
Floppy controllers per virtual machine
1 1
Floppy devices per virtual machine 2 2
Virtual SATA adapters per virtual machine
4 4
Virtual SATA devices per virtual SATA adapter
30 30

Networking Virtual Devices

Virtual NICs per virtual machine
10 10
Virtual RDMA Adapters per virtual machine 1

Virtual Peripheral Ports

USB host controllers per virtual machine
1 1
USB devices connected to a virtual machine
20 20
Parallel ports per virtual machine
3 3
Serial ports per virtual machine
32 32

Miscellaneous

Concurrent remote console connections to a virtual machine 40 40

Graphics video device

Video memory per virtual machine 2 GB 512MB

 

ESXi Host Maximums

6.5

6.0

Compute Maximums

Host CPU maximums

Logical CPUs per host 576 480
NUMA Nodes per host 16 16

Virtual machine maximums

Virtual machines per host 1024 1024
Virtual CPUs per host
4096 4096
Virtual CPUs per core
32 32

Fault Tolerance maximums

 Virtual disks 16 16
Disk size 2 TB
Virtual CPUs per virtual machine 4 4
RAM per FT VM 64 GB 64 GB
Virtual machines per host 4 4
Virtual CPU per host 8 8

Memory Maximums

RAM per host 12 TB 6 TB
Number of swap files 1 per virtual machine 1 per virtual machine

Storage Maximums

Virtual Disks

Virtual Disks per Host 2048 2048

iSCSI Physical

LUNs per server 512 256
Cavium (Qlogic) 1 Gb iSCSI HBA initiator ports per server 4 4
Cavium (Qlogic) 10 Gb iSCSI HBA initiator ports per server 4
NICs that can be associated or port bound with the software iSCSI stack per server 8 8
Number of total paths on a server 2048 1024
Number of paths to a LUN (software iSCSI and hardware iSCSI) 8 8
Cavium (Qlogic) 1 Gb iSCSI HBA targets per adapter port 64
Cavium (Qlogic)10 Gb iSCSI HBA targets per adapter port 128
Software iSCSI targets 256 256

NAS

NFS mounts per host 256 256

Fibre Channel

LUNs per host 512 256
LUN size 64 TB 64 TB
LUN ID 0 to 16383 1023
Number of paths to a LUN 32 32
Number of total paths on a server 2048 1924
Number of HBAs of any type 8 8
HBA ports 16 16
Targets per HBA 256 256

FCoE

Software FCoE adapters 4 4

Common VMFS

Volume size 64 TB 64 TB
Volumes per host 512 256
Hosts per volume 512 64
Powered on virtual machines per VMFS volume  2048 2048
Concurrent vMotion operations per VMFS volume
128 128

VMFS3

Raw device mapping size (virtual and physical)
2 TB minus 512 bytes 2 TB minus 512 bytes
Block size
8 MB 8 MB
File size (1 MB block size)
256 GB 256 GB
File size (2 MB block size)
512 GB 512 GB
File size (4 MB block size)
1 TB 1 TB
File size (8 MB block size)
2 TB minus 512 bytes 2 TB minus 512 bytes
Files per volume Approximately 30,720 Approximately 30,720

VMFS5 / VMFS6

Raw Device Mapping size (virtual compatibility) 62 TB 62 TB
Raw Device Mapping size (physical compatibility) 64 TB 64 TB
Block size 1 MB 1 MB
File size 62 TB 62 TB
Files per volume Approximately 130,690 Approximately 130,690

Networking Maximums

Physical NICs

igbn 1 Gb Ethernet ports (Intel) 16 16
ntg3 1 Gb Ethernet ports (Broadcom) 32 16 with NetQueue enabled 32 with NetQueue disabled
bnx2 1 Gb Ethernet ports (QLogic) 16 16
elxnet 10 Gb Ethernet ports (Emulex) 8 8
ixgbe 10 Gb Ethernet ports (Intel) 16 16
bnx2x 10 Gb Ethernet ports (QLogic) 8 8
Combination of 10 Gb and 1 Gb ethernet ports Sixteen 10 GB and four 1 GB ports Sixteen 10 GB and four 1 GB ports
nmlx4_en 40 Gb Ethernet Ports (Mellanox) 4 4
nmlx5_core 25 Gb Ethernet Ports (Mellanox) 4
nmlx5_core 50 Gb Ethernet Ports (Mellanox) 4
nmlx5_core 100 Gb Ethernet Ports (Mellanox) 4
i40en 10 Gb Ethernet Ports (Intel) 8
i40en 40 Gb Ethernet Ports (Intel) 4
qedentv 25 Gb Ethernet Port (Qlogic) 4
qedentv 50 Gb Ethernet Port (Qlogic) 4
qedentv 100 Gb Ethernet Port (Qlogic) 2

VMDirectPath limits

VMDirectPath PCI/PCIe devices per host 8 8

SRIOV

SR-IOV Number of virtual functions per host  1024 1024
SR-IOV Number of 10 G pNICs per host
8 8
VMDirectPath PCI/PCIe devices per virtual machine
4 4

vSphere Standard and Distributed Switch

Total virtual network switch ports per host (VDS and VSS ports) 4096 4096
Maximum active ports per host (VDS and VSS) 1016 1016
Virtual network switch creation ports per standard switch 4088 4088
Port groups per standard switch 512 512
Static/Dynamic port groups per distributed switch 10000 10000
Ephemeral port groups per distributed switch 1016 1016
Ports per distributed switch 60000 60000
Distributed virtual network switch ports per vCenter 60000 60000
Static/dynamic port groups per vCenter 10000 10000
Ephemeral port groups per vCenter 1016 1016
Distributed switches per vCenter 128 128
Distributed switches per host 16 16
VSS portgroups per host 1000 1000
LACP – LAGs per host 64 64
LACP – uplink ports per LAG (Team) 32 32
Hosts per distributed switch 2000 1000
NIOC resource pools per vDS 64 64

ESXi Graphics Maximums

Maximum number of shared physical GPUs 16
Maximum virtual graphics memory per virtual machine 2 GB 512 MB

 

Cluster and Resource Pool Maximums

6.5

6.0

Cluster (all clusters including HA and DRS)

Hosts per cluster 64 64
Virtual Machines per cluster 8000 8000
Virtual machines per host 1024 1024
Powered-on virtual machine config files per datastore in an HA cluster 2048 2048
FT virtual machines per cluster 98 98
FT virtual machines vCPU per Cluster 256 256

Resource Pool

Resource pools per host 1600 1600
Children per resource pool 1100 1100
Resource pool tree depth 8 8
Resource pools per cluster 1600 1600

 

vCenter Server Maximums

6.5

6.0

vCenter Server Scalability

Hosts per vCenter Server 2000 1000
Powered-on virtual machines per vCenter Server 25000 10000
Registered virtual machines per vCenter Server 35000 15000
Linked vCenter Servers 10 10
Hosts in linked vCenter Servers 4000 4000
Powered-on virtual machines in linked vCenter Servers 30000 30000
Registered virtual machines in linked vCenter Servers 50000 50000
Number of host per datacenter 2000 500
MAC addresses per vCenter Server (using default VMware OUI) 65,536 65,536

Concurrent operations

vMotion operations per host (1 Gb/s network) 4 4
vMotion operations per host (10 Gb/s network) 8 8
vMotion operations per datastore 128 128
Storage vMotion operations per host 2 2
Storage vMotion operations per datastore 8 8
Non-vMotion provisioning operations per host 8 8

vSphere Web Client User Interface

Concurrent vSphere Web Clients (Flex) connections to vCenter Server 180
Maximum mixed vSphere Client (HTML5) + vSphere Web Client simultaneous connections per VC 60 (30 Flex, 30 maximum HTML5)
Maximum supported inventory for vSphere Client (HTML5) 10,000 VMs, 1,000 Hosts

vCenter Server Windows embedded/packaged vPostgres/h4>

Hosts (with embedded vPostgres database) 20 20
Virtual machines (with embedded vPostgres database) 200 200

Content Library

Total content library items per VC (across all libraries) 2000 200
Biggest content library item size 1 TB
Total number of libraries per VC 1000 20
Total items per library 1000 200
Maximum number of concurrent sync operations on the published library’s VC 16 5

Host Profile

Hosts 21 21
Powered On virtual machines 100 100
Datastores 256 120
Profile Created 500 1200
Profile Attached 500 1000

 

Storage DRS

6.5

6.0

Virtual disks per datastore cluster/td>

9000 9000
Datastores per datastore cluster 64 64
Datastore clusters per vCenter 256 256

 

Platform Services Controller

6.5

6.0

Domain/Replication

Maximum PSCs per vSphere Domain 10 8
Maximum PSCs per site, behind a load balancer 4 4
Maximum objects within a vSphere Domain (Users and Groups) 1000000 1000000
Maximum tolerance for time skew between PSC nodes 5 minutes 5 minutes

Identity Source

Maximum Active Directory or OpenLDAP Groups per User for best performance 1015 1015

Enhanced Linked Mode/Lookup Service

Maximum number of VMware Solutions connected to a single PSC 4
Maximum number of VMware Solutions in a vSphere Domain 10

VMCA/Certificate

Maximum number of subordinate Certifcate Authority servers in the chain within VMware Certificate Authority 6 6
Maximum cryptographic hash used for PSC Node certifcate 1 1
Maximum RSA Public Key length used for PSC Node certificate 16384 16384

 

VMware vCenter Update Manager

6.5

6.0

Concurrent Operations

VMware Tools scan per ESXi host 90 90
VMware Tools upgrade per ESXi host 30 24
Virtual machine hardware scan per host 90 90
Virtual machine hardware upgrade per host 30 24
VMware Tools scan per VUM server 200 90
VMware Tools upgrade per VUM server 200 75
Virtual machine hardware scan per VUM server 200 90
Virtual machine hardware upgrade per VUM server 200 75
ESXi host scan per VUM server 232 75
ESXi host patch remediation per VUM server 232 71
ESXi host upgrade per VUM server 232 71

 

VMware vSphere Flash Read Cache

6.5

6.0

Virtual flash resource per host 1 1
Maximum cache for each virtual disk 400 GB 400 GB
Cumulative cache configured per host (for all virtual disks) 2 TB 2 TB
Virtual disk size 16 TB 16 TB
Virtual host swap cache size 4 TB 4 TB
Flash devices per virtual flash resource 8 8

 

Virtual Volumes

6.5

6.0

Data Virtual Volume Size 62 TB 62 TB
Number of Virtual Volumes bound to a host 64000 64000
Number of PEs per host 256 256
Storage Container size 2^64 2^64
Storage Container per host 256 256
Maximum outstanding PE I/O operations 128 (up to 4096) 128 (up to 4096)
Configured VPs per host 128 128
Maximum configured VVol managed storage arrays per host 64 64

 

Network I/O Control (NIOC)

6.5

6.0

Number of resource pools 10000 10000
Number of uplinks per vds 32 32
Number of uplinks per host 32 32
Number of vNIC per host 5120 5120
Max pNIC bandwidth Approximately 10 Gbits/secfor 10G pNIC Approximately 1 Gbits/secfor 1G pNIC Approximately 10 Gbits/sec for 10G pNIC Approximately 1 Gbits/secfor 1G pNIC

 

Storage Policies

6.5

6.0

Maximum number of virtual machine storage policies 1024
Maximum number of VASA providers 1024
Maximum number of rule sets in virtual machine storage policy 16
Maximum capabilities in virtual machine storage policy rule set 64
Maximum vSphere tags in virtual machine storage policy 128

 

Managed Virtual Disks

6.5

6.0

Maximum managed virtual disks 10000

VMware vSphere Configuration Maximums
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