Informational GuidesvSphere 6.5

VCSA 6.5 system requirements

VMware has announced the VMware vSphere 6.5 at the end of last year. vSphere 6.5 includes some of new features & new improvements compared to current version of vSphere 6. With launch of vSphere 6.5 VMware also announced the newer version of vCenter Server Appliance 6.5. vCenter Server Appliance 6.5 provides simplified & user friendly installation as compared to the earlier versions. Just like before now the installer does not require any plugin to Install & deploy the Appliance.

In this post we will see on what are the system requirements to deploy the vCenter Server Appliance 6.5. So that you can easily deploy the VCSA 6.5 in your environment.

Hardware Requirements for vCenter Server Appliance 6.5 according to various environment sizes :-

Deployment Size vCPU Memory(GB) Storage(GB) Hosts(up to) VM’s (up to)
Tiny 2 10 250 10 100
Small 4 16 290 100 1000
Medium 8 24 425 400 4000
Large 16 32 640 1000 10000
X-Large 24 48 980 2000 35000

VCSA 6.5 provides 5 different deployment size options. You can see on the above table that you can find out which deployment size is perfect for your environment & you can also see that how much cpu & memory will be required for deployment. It also shows that how much maximum hosts & vm can be supported according to deployment sizes.

Storage Requirements for vCenter Server Appliance 6.5 :-

Environment Size Default Storage Size (GB) Large Storage Size (GB) X-Large Storage Size (GB)
Tiny 250 775 1650
Small 290 820 1700
Medium 425 925 1805
Large 640 990 1870
X-Large 980 1030 1910

In Above table you can see the storage requirements for vCenter Server Appliance. Default size is listed are the default values w.r.t environment size & if you have very large environment then you can choose the storage sizes according to that.

Software Requirements for vCenter Server Appliance 6.5 :-

Name Version
ESXi 5.5 or later versions
vCenter Server Instance 5.5 or later versions

In the above table you can see that for deploying vCenter Server Appliance you will require vsphere 5.5 or later versions.

Network Port Requirements for vCenter Server Appliance 6.5 :-

Port No Protocol Description
53 DNS Service
88 TCP Active Directory
443 TCP vSphere Web Client
514 UDP vSphere Syslog collector
636 TCP vCenter Single Sign-On
902 TCP/UDP Used to send data & manage ESXi hosts.
1514 TCP/UDP vSphere Syslog collector TLS
2012 TCP Control Interface RPC for vCenter Single Sign-On
2014 TCP RPC port for VMware Certificate Authority APIs
2015 TCP DNS Management
2020 TCP/UDP Authentication Framework management
5480 TCP vCenter Appliance Management Interface
6500 TCP/UDP ESXi Dump Collector Port
6501 TCP Auto Deploy Service
6502 TCP Auto Deploy Management
7080, 12721 TCP Secure Token Service
7081 TCP VMware Platform Service Controller Web Client
7444 TCP Secure Token Service for Backward Compatibility
8200 , 8201 , 8300 , 8301 TCP Appliance Management
8084 TCP vSphere Update Manager SOAP
9084 TCP vSphere Update Manager Web Server
9087 TCP vSphere Update Manager Secure Web Server
9123 TCP Migration Assistant
9443 TCP vSphere Web Client HTTPS
11711 TCP vCenter Single Sign-On LDAP for Backward Compatibility
11712 TCP vCenter Single Sign-On Secure LDAP for Backward Compatibility


Checkout Our Posts on vSphere 6.5:

How to Install ESXi 6.5 Step by Step ?

How to Install vCenter Server 6.5 Step by Step ?

How to Install VCSA 6.5 Step by Step ?

Checkout Our Posts on vSphere 6.5 Upgrade Series:

How to Upgrade ESXi 6 to ESXi 6.5 Step by Step ?

How to Upgrade VCSA 6 to VCSA 6.5 Step by Step ?

How to Upgrade vCenter Server 6 to vCenter Server 6.5 Step by Step ?

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Mayur Parmar

Hi I am Mayur Parmar. Independent Author & Founder of Mastering VMware. I am working in IT industry for more than 4 Years with knowledge of VMware , Microsoft Server's, Linux Server's.

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  1. Hi Mayur,

    I really appreciate effort you put to build this tech forum which help to gather the detail knowledge of each task implementation,

    Ajay Patil

    1. Hi Ajay,
      I am very thankful to your valuable opinion.
      Thanks for visiting our blog and finding it useful.

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