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The vSphere Administrator role must be secured and assigned to specific users.


Finding ID Version Rule ID IA Controls Severity
VCENTER-000018 VCENTER-000018 VCENTER-000018_rule Medium
By default, vCenter Server grants full administrative rights to the local administrator's account, which can be accessed by domain administrators. Separation of duties dictates that full vSphere administrative rights should be granted only to those administrators who are required to have it. This privilege should not be granted to any group whose membership is not strictly controlled. Therefore, administrative rights should be removed from the local Windows administrator account and instead be given to a special-purpose local vSphere administrator account. This account should be used to create individual user accounts.
VMware vCenter Server Security Technical Implementation Guide 2013-01-15


Check Text ( C-VCENTER-000018_chk )
Check the permissions assigned in vSphere. Verify that a non-Windows administrative user account is used to manage vCenter. Ensure the user does not belong to any local groups, such as administrator.

If a Windows administrative account is used to manage vCenter, this is a finding.

If the account used to manage vCenter belongs to a local Windows or administrative group, this is a finding.
Fix Text (F-VCENTER-000018_fix)
Ensure "Administrator" or any other account or group does not have any privileges except users created as follows:
Create an ordinary user account that will be used to manage vCenter (example vi-admin).
Make sure the user does not belong to any local groups, such as administrator.
On the top-level hosts and clusters context, log onto vCenter as the Windows administrator; then grant the role of administrator (global vCenter administrator) to the created account.
Log out of vCenter and log into vCenter with the account created. Verify user is able to perform all tasks available to a vCenter administrator.
Remove the permissions in the vCenter for the local administrator group.