Login To The Query Service Failed When Search Virtual Machine
You may see following problem if you login vCenter Server 6.0 by vSphere Client:
That's because "Use Windows session credentials" checkbox is selected. Deselect it and give it a try.
Refer KB Searching the Inventory with the vSphere Client fails (2143566)
Login to the query service failed.
The server could not interpret the communication from the client. (The remote server returned an error: (500) Internal Server Error.)
That's because "Use Windows session credentials" checkbox is selected. Deselect it and give it a try.
Refer KB Searching the Inventory with the vSphere Client fails (2143566)