Policy
Configure scheduled task times randomization window
Windows 11 25H2
Policy overview
Key metadata and intent for this policy.
Supported OS tags: Windows10, Windows10RT, Windows11, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2012, WindowsServer2012R2, WindowsServer2016
This policy setting allows you to configure scheduled task scan start time and the scheduled security intelligence update start time window in hours. This setting affects the Randomize scheduled task times configuration. If you enable this setting, you must pick a randomization window in hours. The possible randomization window interval is between 1 and 23 hours. The randomization interval implemented is between 0 and the configured value. When you enable this setting, Randomize scheduled task times settings uses the randomization window specified in this configuration setting. If you disable or do not configure this policy setting, Randomize scheduled task times settings will randomize scheduled task times between 0-4 hours.
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.
| Element | Type | Registry mapping | Constraints & behavior |
|---|---|---|---|
Specify scheduler randomization window in hours. ID SchedulerRandomizationTime | decimal | HKLM\Software\Policies\Microsoft\Windows Defender\SchedulerRandomizationTime Type REG_DWORD | Range: 1 to 23 |
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