limitations on the FREE VMware ESXI?

If you install the free version of ESXi is their limitations on processors or ram or?  What are the restrictions on what you can do
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No, no limitations; you have the same resource capacity/usage as in ESX.

Limitations on what you can do? Well, whether you use ESX or ESXi, unless you have vCenter, there's a lot you can't do -> VMotion, cold migration, template creation, HA, DRS, are a few of the main items. With ESXi, you have limited VM b/u capability as well as SSH not enabled (can be enabled, but is 'officially' not supported by VMware).

Lee W, MVPTechnology and Business Process AdvisorCommented:
ESXi is considered the more secure product due to it's smaller footprint and minimal installation.

ESXi can be run from a USB stick if that's a requirement.

As ~coolsport00 says, with vCentre to manage it, they are both much of a muchness.
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vmwarun - ArunCommented:
ESXi Free Edition cannot be managed using vCenter, it has a limitation of 4-way SMP for Virtual Machines and 256GB RAM limit for the host and 6 Cores per CPU limit.
You cannot use any third party backup utilities for backing up Virtual Machines.

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Lee W, MVPTechnology and Business Process AdvisorCommented:
Roshan MohammedCloud Engineering OfficerCommented:
*The free version of ESXi is limited to 4-way virtual SMP.


also see the features image attached, source:

NAMEWITHELD12Author Commented:
the free ESXI does not expire ever if you enter in the SN right?
vmwarun - ArunCommented:
After 60 days, you need to input a free Serial Number which you can get for free if you register with an email ID on the VMware Website.
vmwarun - ArunCommented:
The free ESXi Key can be used from 1-999 ESXi Boxes.
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