Policy

Initiate security intelligence update on startup

This policy setting allows you to configure security intelligence updates on startup when there is no antimalware engine present. If you enable or do not configure this setting, security intelligence updates will be initiated on startup when there is no antimalware engine present. If you disable this setting, security intelligence updates will not be initiated on startup when there is no antimalware engine present.

Policy
Pack Microsoft Windows
Category Windows Components / Microsoft Defender Antivirus / Security Intelligence Updates
Policy ID d0a08bb57700
Internal name SignatureUpdate_DisableUpdateOnStartupWithoutEngine

Registry

Copy registry mappings

HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates\DisableUpdateOnStartupWithoutEngine (enabled) = 0
HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates\DisableUpdateOnStartupWithoutEngine (disabled) = 1

Policy notes

This policy setting allows you to configure security intelligence updates on startup when there is no antimalware engine present. If you enable or do not configure this setting, security intelligence updates will be initiated on startup when there is no antimalware engine present. If you disable this setting, security intelligence updates will not be initiated on startup when there is no antimalware engine present.

Related policies

Allow notifications to disable security intelligence based reports to Microsoft MAPSAllow real-time security intelligence updates based on reports to Microsoft MAPSAllow security intelligence updates from Microsoft UpdateAllow security intelligence updates when running on battery powerAllows Microsoft Defender Antivirus to update and communicate over a metered connection.Check for the latest virus and spyware security intelligence on startupConfigure security intelligence updates according to the scheduler for VDI clients.