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Applies to:
Platforms
Windows Management Instrumentation (WMI) is a scripting interface that allows you to retrieve, modify, and update settings.
Read more about WMI at the Microsoft Developer Network System Administration library.
Microsoft Defender Antivirus has a number of specific WMI classes that can be used to perform most of the same functions as Group Policy and other management tools. Many of the classes are analogous to Defender for Cloud PowerShell cmdlets.
The MSDN Windows Defender WMIv2 Provider reference library lists the available WMI classes for Microsoft Defender Antivirus, and includes example scripts.
Changes made with WMI will affect local settings on the endpoint where the changes are deployed or made. This means that deployments of policy with Group Policy, Microsoft Endpoint Configuration Manager, or Microsoft Intune can overwrite changes made with WMI.
You can configure which settings can be overridden locally with local policy overrides.
Savjet
If you're looking for Antivirus related information for other platforms, see:
Savjet
Performance tip Due to a variety of factors (examples listed below) Microsoft Defender Antivirus, like other antivirus software, can cause performance issues on endpoint devices. In some cases, you might need to tune the performance of Microsoft Defender Antivirus to alleviate those performance issues. Microsoft's Performance analyzer is a PowerShell command-line tool that helps determine which files, file paths, processes, and file extensions might be causing performance issues; some examples are:
You can use the information gathered using Performance analyzer to better assess performance issues and apply remediation actions. See: Performance analyzer for Microsoft Defender Antivirus.
Savjet
Do you want to learn more? Engage with the Microsoft Security community in our Tech Community: Microsoft Defender for Endpoint Tech Community.
Obučavanje
Modul
MD-102 3-Manage Microsoft Defender in Windows client - Training
This module explains the built-in security features of Windows clients and how to implement them using policies.
Certifikacija
Microsoft 365 Certified: Endpoint Administrator Associate - Certifications
Plan and execute an endpoint deployment strategy, using essential elements of modern management, co-management approaches, and Microsoft Intune integration.
Dokumentacija
Use the command line to manage Microsoft Defender Antivirus - Microsoft Defender for Endpoint
Run Microsoft Defender Antivirus scans and configure next-generation protection with a dedicated command-line utility.
In Windows 10 and Windows 11, you can use PowerShell cmdlets to run scans, update Security intelligence, and change settings in Microsoft Defender Antivirus.
Evaluate Microsoft Defender Antivirus using PowerShell. - Microsoft Defender for Endpoint
Businesses of all sizes can use this guide to evaluate and test the protection offered by Microsoft Defender Antivirus in Windows using PowerShell.