Error "Cannot contact host"
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Error "Cannot contact host"

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Article ID: 411381

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Updated On:

Products

VMware vSphere ESXi

Issue/Introduction

  • Unable to add host to VC
  • Error message from vCenter reports "Cannot contact host <fqdn>"
  • You are able to add the host to vCenter via IP address.

Environment

  • 7.x

Resolution

DNS Requirements for the vCenter Server Appliance

"Ensure that the ESXi host management interface has a valid DNS resolution from the vCenter Server and all vSphere Client instances. Ensure that the vCenter Server has a valid DNS resolution from all ESXi hosts and vSphere Client."

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