Automatic Updates detection frequency

Specifies the hours that Windows will use to determine how long to wait before checking for available updates. The exact wait time is a sum of the specific value and a random variant of 0-4 hours.

If the status is set to Enabled, Windows will check for available updates at the specified interval.

If the status is set to Disabled or Not Configured, Windows will check for available updates at the default interval of 22 hours.

Note: The "Specify intranet Microsoft update service location" setting must be enabled for this policy to have effect.

Note: If the "Configure Automatic Updates" policy is disabled, this policy has no effect.

Note: This policy is not supported on Windows RT. Setting this policy will not have any effect on Windows RT PCs.

Supported on: At least Windows XP Professional Service Pack 1 or Windows 2000 Service Pack 3, excluding Windows RT

Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Policies\Microsoft\Windows\WindowsUpdate\AU
Value NameDetectionFrequencyEnabled
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

Check for updates at the following

interval (hours):

Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Policies\Microsoft\Windows\WindowsUpdate\AU
Value NameDetectionFrequency
Value TypeREG_DWORD
Default Value22
Min Value1
Max Value22

windowsupdate.admx

Administrative Templates (Computers)

Administrative Templates (Users)