Login to the query service failed. VMware vSphere 6.0

Or, Error: The server could not interpret the communication from the client. (The remote server returned an error: (500) Internal Server Error.).
Or, Search option not working in vSphere client “Error Login to the service query failed”.

Guys, This is known issue with vSphere client; however you have some workaround on this. Please check this VMware reference KB: https://kb.vmware.com/selfservice/microsites/search.do?.

Error Screenshot:

Solutions/Workarounds: 

1. As you are already on vSphere latest version 6.0, you can use vSphere web client to search any objects... Just give a try; I am sure you will love it…

2. Do not use SSO method while connecting to vCenter using vSphere client (un-Check “Use Windows Session Credentials” while login in to vCenter Server using vSphere traditional client software. 

(reference screenshot given below):