Local users must not exist on a system in a domain.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-1148	4.024	SV-29512r3_rule		Low

Description
To minimize potential points of attack, local users, other than built-in accounts such as Administrator and Guest accounts, must not exist on a workstation in a domain. Users must log onto workstations in a domain with their domain accounts.

STIG	Date
Windows Vista Security Technical Implementation Guide	2017-01-30

Details

Check Text ( C-51779r3_chk )
Run the DUMPSEC utility. Select "Dump Users as Table" from the "Report" menu. Select the following fields, and click "Add" for each entry: UserName SID AcctDisabled Groups If local users other than the built-in accounts listed below exist on a workstation in a domain, this is a finding: Built-in administrator account (SID ending in 500) Built-in guest account (SID ending in 501) If the organization has a need for special purpose local user accounts such as a backup administrator account (see V-14224), this must be documented with the ISSO. This would not be a finding.

Check Text ( C-51779r3_chk )

Run the DUMPSEC utility.
Select "Dump Users as Table" from the "Report" menu.
Select the following fields, and click "Add" for each entry:

UserName
SID
AcctDisabled
Groups

If local users other than the built-in accounts listed below exist on a workstation in a domain, this is a finding:

Built-in administrator account (SID ending in 500)
Built-in guest account (SID ending in 501)

If the organization has a need for special purpose local user accounts such as a backup administrator account (see V-14224), this must be documented with the ISSO. This would not be a finding.

Fix Text (F-53561r3_fix)
Limit local user accounts on domain-joined systems. Remove any unauthorized local accounts.