Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryWindows Components > Microsoft Defender Antivirus > Security Intelligence Updates
Supported onAt 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 specify the time of day at which to check for security intelligence updates. The time value is represented as the number of minutes past midnight (00:00). For example, 120 (0x78) is equivalent to 02:00 AM. By default this setting is configured to check for security intelligence updates 15 minutes before the scheduled scan time. The schedule is based on local time on the computer where the check is occurring. If you enable this setting, the check for security intelligence updates will occur at the time of day specified. If you disable or do not configure this setting, the check for security intelligence updates will occur at the default time.

Internal name
SignatureUpdate_ScheduleTime
Policy ID
a2958387ad57
Elements
1

Registry values

How enabled and disabled states update the registry.

No explicit registry values are set for enabled or disabled states.

Policy elements

Inputs and configuration options exposed by this policy.

ElementTypeRegistry mappingConstraints & behavior
Specify the time to check for security intelligence updates
ID SignatureUpdate_ScheduleTime
decimal
HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates\ScheduleTime
Type REG_DWORD
Range: 0 to 1440

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