Initiate security intelligence update on startup

Policy ID
SignatureUpdate_DisableUpdateOnStartupWithoutEngine
Scope
Computer Configuration
Supported on
At least Windows Server 2012, Windows 8 or Windows RT
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Windows Components › Microsoft Defender Antivirus › Security Intelligence Updates

Description

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.

Registry

ComputerHKEY_LOCAL_MACHINE
  • DisableUpdateOnStartupWithoutEngineREG_DWORD

Other policies in the same category

View all policies in this category (18)