Navigate

Check: WN16-SO-000460

Microsoft Windows Server 2016 STIG: WN16-SO-000460 (in versions v2 r8 through v1 r1)

Title

User Account Control approval mode for the built-in Administrator must be enabled. (Cat II impact)

Discussion

User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the built-in Administrator account so that it runs in Admin Approval Mode. Satisfies: SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00156

Check Content

UAC requirements are NA for Server Core installations (this is the default installation option for Windows Server 2016 versus Server with Desktop Experience) as well as Nano Server. If the following registry value does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ Value Name: FilterAdministratorToken Value Type: REG_DWORD Value: 0x00000001 (1)

Fix Text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "User Account Control: Admin Approval Mode for the Built-in Administrator account" to "Enabled".

Additional Identifiers

Rule ID: SV-225061r852388_rule

Vulnerability ID: V-225061

Group Title: SRG-OS-000373-GPOS-00157

Expert Comments

Expert comments are only available to logged-in users.

CCIs

CCIs tied to check.

Number	Definition
CCI-002038	The organization requires users to reauthenticate upon organization-defined circumstances or situations requiring reauthentication.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
IA-11	Re-Authentication