Specify the interval to check for definition updates

This policy setting allows you to specify an interval at which to check for definition updates. The time value is represented as the number of hours between update checks. Valid values range from 1 (every hour) to 24 (once per day).

If you enable this setting, checks for definition updates will occur at the interval specified.

If you disable or do not configure this setting, checks for definition updates will occur at the default interval.

Specify the interval to check for definition updates

Registry Hive	HKEY_LOCAL_MACHINE
Registry Path	Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates
Value Name	SignatureUpdateInterval
Value Type	REG_DWORD
Default Value
Min Value	0
Max Value	24