Policy
Specify the interval to run quick scans per day
This policy setting allows you to specify an interval at which to perform a quick scan. The time value is represented as the number of hours between quick scans. Valid values range from 1 (every hour) to 24 (once per day). If set to zero, interval quick scans will not occur. By default, this setting is set to 0. If you enable this setting, a quick scan will run at the interval specified. If you disable or do not configure this setting, quick scan controlled by this config will not be run.
d57f1734462a Scan_QuickScanInterval Registry
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HKLM\Software\Policies\Microsoft\Windows Defender\Scan\QuickScanInterval Policy notes
This policy setting allows you to specify an interval at which to perform a quick scan. The time value is represented as the number of hours between quick scans. Valid values range from 1 (every hour) to 24 (once per day). If set to zero, interval quick scans will not occur. By default, this setting is set to 0. If you enable this setting, a quick scan will run at the interval specified. If you disable or do not configure this setting, quick scan controlled by this config will not be run.