Maximum objects within a vSphere Domain (Users and
Groups)
-
-
-
1,000,000
Maximum tolerance for time skew between PSC nodes
-
-
-
5 minutes
Identity Source
Platform Service Controller maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Maximum Active Directory or OpenLDAP Groups per User for best performance
-
-
-
1015
Enhanced Linked Mode/Lookup Service
Platform Service Controller maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Maximum number of VMware Solutions connected to a single PSC per User for best performance
-
-
-
4
Maximum number of VMware Solutions in a vSphere Domain
-
-
-
10
VMCA/Certificate
Platform Service Controller maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Maximum number of subordinate Certificate Authority
servers in the chain within VMware Certificate Authority
-
-
-
6
Maximum cryptographic hash used for PSC Node certificate Domain
-
-
-
1
Maximum RSA Public Key length used for PSC Node certificate
-
-
-
16,384
VMware vCenter Update Manager
vCenter Update Manager Maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
ESXi host upgrade per cluster
-
-
1
-
VMware vCenter Orchestrator
vCenter Orchestrator Maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Connected vCenter Server systems
10
20
20
20
Connected ESXi instances
100
1280
1280
1280
Connected virtual machines
15,000
35,000
35,000
35,000
Concurrent running workflows
150
300
300
300
Storage DRS
Storage DRS Maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Datastores per datastore cluster
32
32
32
64
Virtual SAN ESXi host
Virtual SAN Maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Virtual SAN disk groups per host
-
-
-
5
Magnetic disks per disk group
-
-
-
7
SSD disks per disk group
-
-
-
1
Spinning disks in all diskgroups per host
-
-
-
35
Components per Virtual SAN host
-
-
-
9000
Cache tier maximum devices per host
-
-
-
5
Capacity tier maximum devices per diskgroup
-
-
-
7
Capacity tier maximum devices
-
-
-
35
Virtual SAN Cluster
Virtual SAN Maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Number of Virtual SAN hosts in a cluster
-
-
-
64
Number of datastores per cluster
-
-
-
1
Virtual SAN virtual machines
Virtual SAN Maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Virtual machines per host
-
-
-
200
Virtual machines per cluster
-
-
-
6400
Virtual machine virtual disk size
-
-
-
62TB
Disk stripes per object
-
-
-
12
Percentage of flash read cache reservation
-
-
-
100
Failure to tolerate
-
-
-
3 for VM virtual
disk size <= 16 TB
1 for VM virtual
disk size > 16 TB
Percentage of object space reservation
-
-
-
100
Virtual SAN networks/physical network fabrics
-
-
-
2
Virtual Volumes
Virtual Volumes Maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Data Virtual Volume Size
-
-
-
62TB
Number of Virtual Volumes bound to a host
-
-
-
64,000
Number of PEs per host
-
-
-
256
Storage Container size
-
-
-
2^64
Storage Container per host
-
-
-
256
Maximum outstanding PE I/O operations
-
-
-
128 configurable
up to 4096
Configured VPs per host
-
-
-
128
Maximum configured VVol managed storage arrays per host
-
-
-
64
Network I/O Control (NIOC)
Network I/O Control (NIOC) Maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Number of resource pools
-
-
-
10,000
Number of uplinks per vds
-
-
-
32
Number of uplinks per host
-
-
-
32
Number of vNIC per host
-
-
-
5120
Max pNIC bandwidth
-
-
-
Approximately 10 Gbits/sec for 10G pNIC
Approximately 1 Gbits/sec for 1G pNIC
vCloud Director Maximums
vCloud Director Maximums
vSphere Configuration Item
v5.0
v5.1
v5.5
v6.0
Virtual machine count
20000
30000
50000
-
Powered‐On virtual machine count
10000
10000
30000
-
Virtual machines per vApp
64
128
128
-
vApps per organization
500
3000
5000
-
Number of networks
7500
10000
10000
-
Number of networks
7500
7500
10000
-
Hosts
2000
2000
2000
-
vCenter Servers
25
25
20
-
Catalogs
1000
10000
10000
-
Users
10000
10000
25000
-
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Author: Jon Munday
An independent IT contractor with a strong focus on VMware virtualisation and infrastructure operations. I am inspired by technology, not afraid to question the status quo and balance my professional commitments with entertaining my three awesome kids (Ashton, Oliver and Lara).
View all posts by Jon Munday
2 thoughts on “VMware vSphere 5.x and 6.x Configuration Maximums”
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Updated post to include vSphere 6.0 configuration maximums.