Windows must enforce access restrictions associated with changes to the configuration of the SQL Server instance.

Failure to provide logical access restrictions associated with changes to configuration may have significant effects on the overall security of the system.

When dealing with access restrictions pertaining to change control, it should be noted that any changes to the hardware, software, and/or firmware components of the information system can potentially have significant effects on the overall security of the system.

Accordingly, only qualified and authorized individuals should be allowed to obtain access to system components for the purposes of initiating changes, including upgrades and modifications.

Obtain a list of users who have privileged access to the server via the local Administrators group.

Launch lusrmgr.msc Select Groups Double-click Administrators

Alternatively, execute the following command in PowerShell:

net localgroup administrators

Check the server documentation to verify the users returned are authorized.

If the users are not documented and authorized, this is a finding.

Remove users from the local Administrators group who are not authorized.