Symptom You are implementing NAP in Reporting mode. You may face a problem with retrieving Windows System Health Validator Results. The NPS Event Log contains empty string in the Windows Security Health Validator details section. Normally WSHV section should contain information about NAP client validation results for either full or quarantine access. Cause There is a problem when the locale on NPS is not English. Resolution On NPS server, set the locale to English: 1. Log on as an account with Administrator privileges. 2. Click the Start button, point to Settings, click Control Panel, and then double-click Regional Settings. 3. Click the Regional Settings tab. 4. Click US locale. 5. Select Set As System Default Locale, and then click OK. 6. Restart your computer to activate the selected system locale. Applies to Windows Server 2008