Set-MpPreference: -RandomizeScheduleTaskTimes documentation needs to be updated.

[YongRhee-MSFT]

Change from: Indicates whether to select a random time for the scheduled start and scheduled update for definitions. If you specify a value of $True or do not specify a value, scheduled tasks begin within 30 minutes, before or after, the scheduled time.

If you randomize the start times, it can distribute the impact of scanning. For example, if several virtual machines share the same host, randomized start times prevents all the hosts from starting the scheduled tasks at the same time.

Change to: Indicates whether to select a random time for the scheduled start and scheduled update for definitions. If you specify a value of $True or do not specify a value, scheduled tasks begin within:

MDAV "Platform Update" 4.18.2104.x-x* or newer: 23 hours, before or after, the scheduled time. MDAV "Platform Update" before 4.18.2104.x-x*: it was 4 hours (default), before or after, the scheduled time. SCEP 30 minutes, before or after, the scheduled time.

*Note: Please update your admx template to the Windows 11 or newer, on your Windows 10, and/or Windows 11, and/or Windows Server 2012 R2, and/or Windows Server 2016, and/or Windows Server 2019, and/or Windows Server 2022.

If you randomize the start times, it can distribute the impact of scanning. For example, if several virtual machines share the same host, randomized start times prevents all the hosts from starting the scheduled tasks at the same time.

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Document Details

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• ID: 44f43117-c0f9-84e2-9a2a-0335f516f7d0
• Version Independent ID: cc8d93f2-8837-4169-0fc7-167d0ffca777
• Content: Set-MpPreference (Defender)
• Content Source: docset/winserver2022-ps/defender/Set-MpPreference.md
• Product: w10
• Technology: windows
• GitHub Login: @JasonGerend
• Microsoft Alias: jgerend

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