PowerShell — Generate Microsoft Defender Antivirus Health Status Report (HTML)

This PowerShell script collects Microsoft Defender Antivirus health status from local or remote Windows devices and saves the results as an easy-to-read HTML report.

✅ What the Report Includes

For each device, the report shows:

• S.No
• ComputerName
• AntivirusEnabled
• AMEngineVersion
• AMProductVersion
• AntivirusSignatureAge
• AntivirusSignatureLastUpdated
• IsTamperProtected
• QuickScanAge
• FullScanAge
• RealTimeProtectionEnabled
• SignatureFallbackOrder
• SignatureScheduleTime
• SignatureUpdateCatchupInterval

🔒 Prerequisites

• Run PowerShell as Administrator.
• Your account must have local admin rights on the remote computer(s).
• PowerShell Remoting enabled on target machines (for remote runs).
• Network and firewall must allow WinRM/PowerShell remoting.
• Microsoft Defender Antivirus must be installed/enabled on the target(s).