Specify the day of the week to run a scheduled scan

This policy setting allows you to specify the day of the week on which to perform a scheduled scan. The scan can also be configured to run every day or to never run at all.

This setting can be configured with the following ordinal number values:
(0x0) Every Day
(0x1) Sunday
(0x2) Monday
(0x3) Tuesday
(0x4) Wednesday
(0x5) Thursday
(0x6) Friday
(0x7) Saturday
(0x8) Never (default)

If you enable this setting, a scheduled scan will run at the frequency specified.

If you disable or do not configure this setting, a scheduled scan will run at a default frequency.

Supported on: At least Windows Server 2012, Windows 8 or Windows RT

Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
Value NameScheduleDay
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

Specify the day of the week to run a scheduled scan


  1. Never
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
    Value NameScheduleDay
    Value TypeREG_DWORD
    Value8
  2. Every Day
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
    Value NameScheduleDay
    Value TypeREG_DWORD
    Value0
  3. Sunday
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
    Value NameScheduleDay
    Value TypeREG_DWORD
    Value1
  4. Monday
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
    Value NameScheduleDay
    Value TypeREG_DWORD
    Value2
  5. Tuesday
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
    Value NameScheduleDay
    Value TypeREG_DWORD
    Value3
  6. Wednesday
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
    Value NameScheduleDay
    Value TypeREG_DWORD
    Value4
  7. Thursday
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
    Value NameScheduleDay
    Value TypeREG_DWORD
    Value5
  8. Friday
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
    Value NameScheduleDay
    Value TypeREG_DWORD
    Value6
  9. Saturday
    Registry HiveHKEY_LOCAL_MACHINE
    Registry PathSoftware\Policies\Microsoft\Windows Defender\Scan
    Value NameScheduleDay
    Value TypeREG_DWORD
    Value7


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