How to user administrator right on VMware vSphere 6.5
If VMware vSphere 6.5 is not being managed by vCenter server and you want to allow users to admin rights .
1- create user go to
Host > Manage > Security & users > Add user

Click on Add user

Fill the information and click on save
2 – Give the administrator right
Click on HOST > Actions

Click on Permission


Click on Add user

Click on dropdown to select user and rights
Now click on Add user
Now user is authorized for administrator tasks.