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Basically, you can do three things with WuInstall:
- Searching for Updatesupdates: WuInstall /search
→ searches for all available updates, either (if configured) on the internal WSUS or in the internet on the Microsoft Update Server and gives a list of the updates found - Downloading updates: WuInstall /download
→ does a search like in a), and downloads the updates found - Installing updates: WuInstall /install
→ does a search first, then it downloads and finally installs the updates found
There are several options for selecting not all, but only specific updates: /severity, /match, /nomatch, /matchfile, /nomatchfile, /classification, /product, /criteria
Beyond that, there are some other very useful options:
- /bypass_wsus: switches the WSUS off while executing WuInstall, to force going for the Microsoft Update Server in the internet
- /autoaccapteula: automatically accepts EULAs for all updates which have to be installed → no user interaction required
- /reboot [nseconds]: after executing WuInstall, the system is rebooted after n seconds
For more infos, see also the WuInstall HowTos
How to get "Important"
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updates only?
To get the same updates as you get when selected "Important" Updates updates on the windows update page, please try the following criteria option:
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But WuInstall returns a status code, which indicates whether a reboot would be necessary or not.
There is also the /reboot-option in WuInstall (it can be used in combination with all other options). It reboots windows, after executing WuInstall, at any case.
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WuInstall /search /criteria "IsInstalled=0 and Type='Software'":searches updates of type software, which are not yet installed (default-setting when the /criteria option is not specified)
WuInstall /search /criteria "IsInstalled=1":searches all updates, which are already installed on the machine (here, the options /install or /download are obviously not applicable, they will have no effect)
Why are
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updates marked as hidden also installed?
The default criteria option (see above) includes hidden and non-hidden updates. If you add “IsHidden=0” then the updates you marked as hidden will be skipped. An example would be: WuInstall /install /criteria "IsInstalled=0 and Type='Software' and IsHidden=0"
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Yes, WuInstall has been tested with Windows 7, 32-bit and 64-bit, and it works just as well as with all other Windows versions. We recommend to run WuInstall as administrator to avoid troubles with access rights.
How to search for special
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updates or how to use Regular Expressions for /match /nomatch?
If you want to select special Updates updates by using regular expressions (e.g for the switches /match or /nomatch), then have a look at the following URL for Perl - Style regular expressions: http://www.cs.tut.fi/~jkorpela/perl/regexp.html.
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WUInstall /install /nomatch "(Internet Explorer).*8 ":
Installs all Updates updates except the ones for the Internet Explorer 8.
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/disable_ie_firstruncustomize /quiet /disableprompt - /install ... installs the update
- /match "Internet Explorer 8" ... Filters only for Updates updates with title matching "Internet Explorer 8"
- /autoaccepteula ... Accepts any EULAs automatically (suppress user interaction on that)
- /disable_ie_firstruncustomize ... Disables the internet explorer 8 set up dialog.
- /quiet ... The update-installer is forced to do an installation without user interaction
- /disableprompt ... Disable showing source prompts to a user when installing the updates
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When using Windows XP it might cause problems using the "run as" command together with WuInstall. To prevent this you should use the /quiet and /disableprompt option on the end of your command.
Windows 7 Service Pack 1 installation fails, why?
Do you use the option /quiet when executing WuInstall? The installation of Windows 7 Service Pack 1 with the option /quiet could cause some error. Please try to execute WuInstall without /quiet.
Installation of updates with WuInstall does not work on my Windows XP machine, why?
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Then just add the parameters /quiet /disableprompt to your WuInstall call - this should fix the issue.
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