MIT Windows Automatic Update Service: Explanation
of Registry Settings
Configuration
Options in a Non-Active Directory Environment
We recommend configuring machines not
in a Windows Domain for WAUS using
one of the .reg
files that can be found on MIT Windows
Automatic Update Service (WAUS) home page.
An explanation of all the settings set
by the .reg files as well as the text
of the file are found below:
To determine which update server your
clients and servers go to for their updates,
look for the WUServer and WUStatusServer
keys in HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate.
(if the keys are not there, then your
machine is not configured to use MIT's
WAUS.
In a non-Active Directory environment,
an administrator can set registry settings
to configure Automatic Updates.
The following settings are added to
the registry of each Windows client
at this location: HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate\AU
- WUServer
Sets the Windows Update intranet server
by HTTP name. MIT recommended setting
= http://sus.mit.edu
- WUStatusServer
Sets the Windows Update intranet statistics
server by HTTP name. MIT recommended
setting = http://sus.mit.edu
In a non-Active Directory environment,
an administrator can set registry settings
to configure Automatic Updates.
The following settings are added to the
registry of each Windows client at this
location: HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate\AU
- NoAutoUpdate
Range = 0|1. 0 = Automatic Updates enabled
(default), 1 = Automatic Updates
disabled. MIT recommended setting = 0
- AUOptions
Range = 2|3|4. 2 = notify of
download and installation, 3 = auto
download and notify of installation,
and 4 = auto download and scheduled
installation. All options notify the
local administrator. MIT recommended
setting = 4
- ScheduledInstallDay
Range = 0|1|2|3|4|5|6|7. 0 = Every
day; 1 through 7 = days of the week
from Sunday(1) to Saturday(7). MIT recommended
setting = 0
- ScheduledInstallTime
Range = n; where n = the time of day
in 24-hour format (0-23). MIT default
setting = 1
- UseWUServer
Set this to 1 to enable Automatic Updates
to use the Software Update Services server
as specified in the WUServer value. MIT
recommended setting = 1
Contents of WAUS
.reg File
Windows Registry Editor Version
5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate]
"WUServer"="http://sus.mit.edu"
"WUStatusServer"="http://sus.mit.edu"
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU]
"NoAutoUpdate"=dword:00000000
"RescheduleWaitTime"=dword:0000000a
"AUOptions"=dword:00000004
(00000003 for mitsus-n.reg)
"ScheduledInstallDay"=dword:00000000
"ScheduledInstallTime"=dword:00000001
"UseWUServer"=dword:00000001
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