Start the scheduled scan only when computer is on but not in use
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Policy overview

Key metadata and intent for this policy.

Computer
Category
Windows Components > Microsoft Defender Antivirus > Scan
Supported on
At least Windows Server 2012, Windows 8 or Windows RT

Supported OS tags: Windows10, Windows10RT, Windows11, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2012, WindowsServer2012R2, WindowsServer2016

This policy setting allows you to configure scheduled scans to start only when your computer is on but not in use. If you enable or do not configure this setting, scheduled scans will only run when the computer is on but not in use. If you disable this setting, scheduled scans will run at the scheduled time.

Internal name
Scan_ScanOnlyIfIdle
Policy ID
81ca3e692c91
Elements
0

Registry values

How enabled and disabled states update the registry.

ScopeRegistry locationTypeEnabled valueDisabled valueCopy
Computer
Path
Software\Policies\Microsoft\Windows Defender\Scan
Value name
ScanOnlyIfIdle
REG_DWORD
HKLM
1
HKLM
0
Registry location
Type REG_DWORD · Computer
Path
Software\Policies\Microsoft\Windows Defender\Scan
Value name
ScanOnlyIfIdle
Hive
HKLM
Enabled value
1
Disabled value
0

Policy elements

Inputs and configuration options exposed by this policy.

This policy has no additional user input fields.