Windows Server 2019 • Release: 7 Benchmark Date: 05 Jan 2026

CAT II V-205915 WN19-SO-000240

Windows Server 2019 must be configured to prevent anonymous users from having the same permissions as the Everyone group.

Documentable No
Rule ID SV-205915r991589_rule
CCI References
CCI-000366

Discussion

Access by anonymous users must be restricted. If this setting is enabled, anonymous users have the same rights and permissions as the built-in Everyone group. Anonymous users must not have these permissions or rights.

Check Procedure

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: \SYSTEM\CurrentControlSet\Control\Lsa\

Value Name: EveryoneIncludesAnonymous

Value Type: REG_DWORD
Value: 0x00000000 (0)

Fix Action

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Let Everyone permissions apply to anonymous users" to "Disabled".