vSphere Web Client cannot connect to vCenter Single Sign On server error

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VMware vSphere Web Client Error

I’ve seen this several time where a given vSphere Web Client cannot connect to the vCenter server or SSO server.

It’s a simple fix, but one that frustrates you unless you already know the solution.

  1. Go to the vCenter’s VAMI interface - https://vcenter.fqdn:5480
  2. Note that the vSphere Web Client service is probably running fine. Services
  3. Stop / Start the vSphere Web Client Service
  4. Grab a coffee. It will take a few minutes for the vSphere Web Client to be initialized.