System Requirements; Esxi Hardware Requirements - VMware VS4-ENT-PL-A - vSphere Enterprise Plus Setup Manual

System Requirements

Systems running vCenter Server and ESXi instances must meet specific hardware and operating system
requirements.
If you are using Auto Deploy to provision ESXi hosts, see also
page 167.
This chapter includes the following topics:

"ESXi Hardware Requirements,"

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"Hardware Requirements for vCenter Server, the vSphere Web Client, vCenter Inventory Service, and
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vCenter Single Sign-On,"
"vCenter Server Software Requirements,"
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"vSphere Web Client Software Requirements,"
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"Providing Sufficient Space for System Logging,"
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"Required Ports for vCenter Server,"
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"Required Ports for the vCenter Server Appliance,"
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"Conflict Between vCenter Server and IIS for Port 80,"
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"DNS Requirements for vSphere,"
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"Supported Remote Management Server Models and Minimum Firmware Versions,"
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ESXi Hardware Requirements
Make sure the host meets the minimum hardware configurations supported by ESXi 5.5.
Hardware and System Resources
To install and use ESXi 5.5, your hardware and system resources must meet the following requirements:
Supported server platform. For a list of supported platforms, see the VMware Compatibility Guide at
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http://www.vmware.com/resources/compatibility.
ESXi 5.5 will install and run only on servers with 64-bit x86 CPUs.
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ESXi 5.5 requires a host machine with at least two cores.
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ESXi 5.5 supports only LAHF and SAHF CPU instructions.
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ESXi 5.5 requires the NX/XD bit to be enabled for the CPU in the BIOS.
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ESXi supports a broad range of x64 multicore processors. For a complete list of supported processors,
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see the VMware compatibility guide at http://www.vmware.com/resources/compatibility.
VMware, Inc.
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"Preparing for vSphere Auto Deploy,"
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