Specify the day of the week to check for security intelligence updates
- Policy ID
- SignatureUpdate_ScheduleDay
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2012, Windows 8 or Windows RT
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › Microsoft Defender Antivirus › Security Intelligence Updates
Description
This policy setting allows you to specify the day of the week on which to check for security intelligence updates. The check 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 (default)
(0x1) Sunday
(0x2) Monday
(0x3) Tuesday
(0x4) Wednesday
(0x5) Thursday
(0x6) Friday
(0x7) Saturday
(0x8) Never
If you enable this setting, the check for security intelligence updates will occur at the frequency specified.
If you disable or do not configure this setting, the check for security intelligence updates will occur at a default frequency.
Options
Registry
ComputerHKEY_LOCAL_MACHINE
- ScheduleDay-
- ScheduleDayREG_DWORD