Check for the latest virus and spyware definitions on startup

This policy setting allows you to manage whether a check for new virus and spyware definitions will occur immediately after service startup.

If you enable this setting, a check for new definitions will occur after service startup.

If you disable this setting or do not configure this setting, a check for new definitions will not occur after service startup.

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 NameUpdateOnStartUp
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

windowsdefender.admx

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