VMWare ESXi error – Server could not interpret client request (fixed!)

My VMware Infrastructure client simply refused to connect to my ESXi server today. The error:
“Error – Server could not interpret client request”.

Very uninformative.

Took a while to figure it out, VMWare’s site was not too helpful.

Here is how to re-establish connectivity with your server.

1. Log on to the ESXi physical server directly (if its in a different building, put on your walking shoes)
2. Navigate to the Option: Restart Management Agents
3. Restart the management agent (F11 to confirm)
4. Log in using the VMWare Infrastructure Client

Connectivity should now be established.

-n

3 thoughts on “VMWare ESXi error – Server could not interpret client request (fixed!)”

  1. I got a similar error with 401 unauthorized. Restart Management Agents did not help. I unstalled the vSphere client and re-installed. It worked fine.

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