From f6aeeadc65074f982934a5c711d07e89bc15c2b2 Mon Sep 17 00:00:00 2001 From: Kaustubh Dwivedi <117085560+kausd1@users.noreply.github.com> Date: Fri, 9 Feb 2024 14:17:22 +0530 Subject: [PATCH 1/4] Tested on a fresh 2019 server. The default value of ScanScheduleDay is 0 --- docset/winserver2022-ps/defender/Set-MpPreference.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docset/winserver2022-ps/defender/Set-MpPreference.md b/docset/winserver2022-ps/defender/Set-MpPreference.md index 26c5c9b90f..b10d1ad063 100644 --- a/docset/winserver2022-ps/defender/Set-MpPreference.md +++ b/docset/winserver2022-ps/defender/Set-MpPreference.md @@ -1499,8 +1499,8 @@ The acceptable values for this parameter are: - 7: Saturday - 8: Never -The default value is 8, never. -If you specify a value of 8 or do not specify a value, Windows Defender does not perform scheduled scans. +The default value is 0, Everyday. +If you specify a value of 8 , Windows Defender does not perform scheduled scans. ```yaml Type: Day From f00118f4429c9e59c88d6977ab4f93b2d2056a61 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Fitt?= <36852431+rafalfitt@users.noreply.github.com> Date: Tue, 26 Nov 2024 18:15:53 +0100 Subject: [PATCH 2/4] Update Set-MpPreference.md fixed obvious crap PAC = Proxy Auto-Configuration it can be hosted on a web server please see https://learn.microsoft.com/en-us/defender-endpoint/configure-proxy-internet?view=o365-worldwide --- docset/winserver2022-ps/defender/Set-MpPreference.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docset/winserver2022-ps/defender/Set-MpPreference.md b/docset/winserver2022-ps/defender/Set-MpPreference.md index 9dae961c56..bccfccd525 100644 --- a/docset/winserver2022-ps/defender/Set-MpPreference.md +++ b/docset/winserver2022-ps/defender/Set-MpPreference.md @@ -1871,7 +1871,7 @@ Accept wildcard characters: False ### -ProxyPacUrl -Specifies the Privilege Attribute Certificate (PAC) proxy. +Specifies the URL for Proxy Auto-Configuration (PAC) file. ```yaml Type: String From 7f8196ac8c636461343d2f3b128d424680e85ab9 Mon Sep 17 00:00:00 2001 From: Andrew John Porter <53306271+andrewjohnporter@users.noreply.github.com> Date: Thu, 20 Feb 2025 21:12:12 +0000 Subject: [PATCH 3/4] Update Set-MpPreference.md Clearing up some information around scan randomization. Both of the below settings seem a little confusing, it would be better if these two settings could be consolidated into one. Randomize Schedule Task Times Scheduler Randomization Time --- docset/winserver2025-ps/defender/Set-MpPreference.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/docset/winserver2025-ps/defender/Set-MpPreference.md b/docset/winserver2025-ps/defender/Set-MpPreference.md index 4fb3f5ce92..ccad74d03e 100644 --- a/docset/winserver2025-ps/defender/Set-MpPreference.md +++ b/docset/winserver2025-ps/defender/Set-MpPreference.md @@ -1277,6 +1277,9 @@ If you specify a value of $True or do not specify a value, scheduled tasks begin 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. +If this setting and the SchedulerRandomizationTime setting are both set to Not Configured then the system will use the default behavior of RandomizeScheduleTaskTimes, which is a 30-minute window. + + ```yaml Type: Boolean Parameter Sets: (All) @@ -1560,6 +1563,11 @@ Accept wildcard characters: False ### -SchedulerRandomizationTime Specifies the randomization time for the scheduler. +If you disable or do not configure this setting, scheduled tasks will begin at a random time within an interval of 4 hours after the specified start time. +If you enable this setting, you must pick a randomization window in hours. The possible randomization window interval is between 1 and 23 hours. + +If this setting and the RandomizeScheduleTaskTimes setting are both set to Not Configured then the system will use the default behavior of RandomizeScheduleTaskTimes, which is a 30-minute window. + ```yaml Type: UInt32 Parameter Sets: (All) From 4577853dbf4a9b32dc9aefe6b220da32bd185ba3 Mon Sep 17 00:00:00 2001 From: Denise Vangel-MSFT Date: Mon, 14 Apr 2025 10:11:53 -0700 Subject: [PATCH 4/4] Update ms.date in Set-MpPreference.md --- docset/winserver2025-ps/defender/Set-MpPreference.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docset/winserver2025-ps/defender/Set-MpPreference.md b/docset/winserver2025-ps/defender/Set-MpPreference.md index ccad74d03e..ca38d594f9 100644 --- a/docset/winserver2025-ps/defender/Set-MpPreference.md +++ b/docset/winserver2025-ps/defender/Set-MpPreference.md @@ -2,7 +2,7 @@ description: The Set-MpPreference cmdlet configures preferences for Windows Defender scans and updates. external help file: MSFT_MpPreference.cdxml-help.xml Module Name: Defender -ms.date: 03/22/2023 +ms.date: 04/14/2025 online version: https://learn.microsoft.com/powershell/module/defender/set-mppreference?view=windowsserver2025-ps&wt.mc_id=ps-gethelp schema: 2.0.0 title: Set-MpPreference