As per the ESXi Server Configuration Guide:
- To add a user to the Users Table.
- Log in to the Host Client, using the root user.
- Click Manage
- Click the Security & users tab and click Users.
- Click Add user.
- Enter a user name, and a password.
- Click ADD.
- Assign Permissions to a User Created for an ESXi Host.
To perform specific activities on an ESXi host, a user must have permissions that are associated with a particular role. In the VMware Host Client, you can assign roles to users and give the users the permissions necessary to perform various tasks on the host.- Right-click Host in the Host Client inventory and click Permissions.
- Click Add user.
- Click the arrow next to the Select a user text box and select the user that you want to assign a role to.
- Click the arrow next to the Select a role text box and select a role from the list.
- Select Propagate to all children or Add as group.
- Click Add user and click Close.
Note: System administrators and managers are strongly encouraged to review the Basic System Administration, ESXi Server Administration Guide, and Knowledge Base articles that discuss the implications of granting Administrator level access.