Configure Microsoft Defender Antivirus exclusions on Windows Server. Symptoms. Your Windows-based or Windows Server-based computer experiences the following issues: System performance. High CPU or increased CPU use. User mode. Kernel mode. Kernel memory leaks. Nonpaged pool. Paged pool. Handle leak. Slowness. File copy when you use Windows Explorer

You may have to configure your antivirus software to exclude the following folders and subfolders from antivirus scanning: Drive :\Program Files\Common Files\Microsoft Shared\Web Server Extensions. If you do not want to exclude the whole Web Server Extensions folder from antivirus scanning, you can exclude only the following folders:

Find out how to stop Windows Security from alerting you about or blocking a trusted file, file type, or process, by adding it to the exclusions list.

Lists articles and websites that identify files and directories that should be excluded from malware scanning in Microsoft Forefront Client Security, Forefront Endpoint Protection 2010 and Microsoft System Center 2012 Endpoint Protection.

Configure and validate exclusions for Microsoft Defender Antivirus scans. Microsoft security help & learning. If you want a file, file type, or folder to not be scanned by Microsoft Defender antivirus you can add an exclusion for it.

Manage your Virus & threat protection settings. Use Virus & threat protection settings when you want to customize your level of protection, send sample files to Microsoft, exclude trusted files and folders from repeated scanning, or temporarily turn off your protection.

To run the Microsoft Safety Scanner, visit the following Microsoft webpage: Microsoft Safety Scanner. Microsoft Windows Defender Offline Beta. The Windows Defender Offline Beta can detect and remove malicious and potentially unwanted software, including rootkits. For more information, visit the following Microsoft webpage:

How do I turn off, disable, or enable Microsoft Defender Antivirus? What is Microsoft Defender for Endpoint? How do I update my Microsoft security software? What should I do if my security software detects a threat? Should I remove, quarantine, or allow a threat? How do I review a quarantined file? What do the alert levels mean?

Find out how to stop Windows Security from alerting you about or blocking a trusted file, file type, or process, by adding it to the exclusions list.