Before we start on this, let’s note that modifying the registry can cause serious problems that can make your operating system corrupted. Use this at your own risk.
The registry location is HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate\AU where you will find following names with type REG_DWORD. The values and their resultant behavior are specified below.
a) NoAutoUpdate
0 - Enables Automatic Update which is the default setting.
1 - Disables Automatic Update
b) AUOptions
2 - Notifies about the update. Niether downloads nor installs
3 - Downloads and notifies to install
4 - Downloads automatically and installs at the schedules time
c) ScheduledInstallDay
0 - Every day Install
1 to 7 - Installs on the specific day of the week from Sunday (1) to Saturday (7).
d) ScheduledInstallTime
0 to 23 - Installs at this time of day; specified in 24-hour format
Wednesday, December 9, 2009
Manage automatic windows update behavior using registry in Windows 2000/XP
Labels:
automatic update,
registry,
schedule,
windows update
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