Windows Server 2025 must not allow anonymous SID/Name translation.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| high | V-278215 | SRG-OS-000480-GPOS-00227 | WN25-SO-000210 | SV-278215r1181351_rule | 2026-02-20 | 1 |
Description
Allowing anonymous SID/Name translation can provide sensitive information for accessing a system. Only authorized users must be able to perform such translations.
ℹ️ Check
Verify the effective setting in Local Group Policy Editor.
Run gpedit.msc.
Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options.
If the value for "Network access: Allow anonymous SID/Name translation" is not set to "Disabled", this is a finding.
✔️ Fix
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Network access: Allow anonymous SID/Name translation to "Disabled".