Policy
Specify the time for a daily quick scan
This policy setting allows you to specify the time of day at which to perform a daily quick scan. 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 set to disabled. The schedule is based on local time on the computer where the scan is executing. If you enable this setting, a daily quick scan will run at the time of day specified. If you disable or do not configure this setting, daily quick scan controlled by this config will not be run.
8fbef5f76890 Scan_ScheduleQuickScantime Registry
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HKLM\Software\Policies\Microsoft\Windows Defender\Scan\ScheduleQuickScanTime Policy notes
This policy setting allows you to specify the time of day at which to perform a daily quick scan. 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 set to disabled. The schedule is based on local time on the computer where the scan is executing. If you enable this setting, a daily quick scan will run at the time of day specified. If you disable or do not configure this setting, daily quick scan controlled by this config will not be run.