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Automatic Update icon not showing up in Windows

In my WSUS deployment story, I came across a little problem: the AU icon is no more showing up in the task bar, even if the log seems to indicate that some updates are availalbe to install or that they are installed and the computer needs to reboot.

I don’t really know why this is happening. The affected systems runs Windows 2003 R2 SP1 and prevously those servers retreive well all the updates.

Well, it seems that during the installation of SP2 of Windows 2003, the service Automatic Update was stopped (even if it is set as Automatic).

So what I have done:

In a DOS prompt:

regsvr32 wuapi.dll
regsvr32 wuaueng.dll
regsvr32 wuaueng1.dll
regsvr32 wucltui.dll
regsvr32 wups.dll
regsvr32 wups2.dll
regsvr32 wuweb.dll

and go to the Services console and start the service Automatic Update. Wait a little and the icon should appear.

Update

Just a note for those who are using a Terminal Server. When you log on a remote session you will be notified with the Automatic Update icon in the task bar BUT if you log on a second time (maybe you have closed an old session instead of doing a log off), you will not be notified. Just check in Terminal Service that you don’t have some zombie sessions.

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