Turn on scan after signature update

This policy setting allows you to configure the automatic scan which starts after a definition update has occurred.

If you enable or do not configure this setting, a scan will start following a definition update.

If you disable this setting, a scan will not start following a definition update.

Supported on: At least Windows Server 2012, Windows 8 or Windows RT

Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Policies\Microsoft\Windows Defender\Signature Updates
Value NameDisableScanOnUpdate
Value TypeREG_DWORD
Enabled Value0
Disabled Value1

windowsdefender.admx

Administrative Templates (Computers)

Administrative Templates (Users)