(See Configure Microsoft Defender Antivirus exclusions on Windows Server.) These exclusions do not appear in the standard exclusions lists that are shown in the Windows Security app. On Windows Server 2016 and later versions, Microsoft Defender Antivirus is built-inĭefender Antivirus on Windows Server 2016 and later versions automatically enroll you in certain exclusions, as defined by your specified server role. On Windows 10 and later versions, Microsoft Defender Antivirus is built-inĭoes not require exclusions for the operating system files that are mentioned in the following sections.

System stops responding (you have to force a restart to recover) Windows Explorer temporary lack of response Your Windows-based or Windows Server-based computer experiences the following issues:įile copy when you use a console app (for example, cmd.exe)Īccessing a network share or a mapped drive The local system is used together with antivirus software in an Active Directory domain environment or in a managed business environment. The issue occurs on a computer that is running a version of Windows or Windows Server that is listed in the “Applies to” section. This article contains recommendations to help an administrator determine the cause of potential instability in the following scenario:

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