Configure scheduled task times randomization window
- Policy ID
- SchedulerRandomizationTime
- 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
Description
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.
Options
Registry
- SchedulerRandomizationTime-
- SchedulerRandomizationTimeREG_DWORD