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I have a laptop with Windows XP on it. Trying to deploy an ASP.NET web application on IIS 6 I received the following error:

Error 1 Web deployment task failed.(The metabase key '/lm/w3svc' could not be found.) The metabase key '/lm/w3svc' could not be found. The metabase Admin Base Object could not be instantiated. Perhaps the "IIS '6 Metabase Compatibility" feature is not installed. Klasse is niet geregistreerd (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))

Installation of the IIS 6 Metabase compatibility feature on Windows XP is not available at Control Panel, Administrative Tools,... What about that metabase key '/lm/w3svc' ? Thanks for your help?

user1031571
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2 Answers2

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Windows XP only has IIS 5.1 if you install it through control panel.

This might be the reason.

/lm/w3svc is the base key in the IIS6 metabase which contains all the web sites that are registered in IIS.

sinni800
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I was getting the same error on windows 10, followed the instructions from Microsoft docs here and it has now been resolved.

Salman Muhammad
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