Monthly Archives: October 2017

Subtype: ‘{EF7E3281-CD33-11D4-8326-00C04FA0CE8D}’ is unsupported by this installation.

When you get this message:


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<a href="http://venneker.net/2011/09/12/microsoft-without-borders/">Microsoft Visual Studio</a>
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The project file 'C:\**\AppData\Local\Temp\2\r3trklcs.34z\Temp\BizTalk Server Project3.btproj' cannot be opened.

There is a missing project subtype.
Subtype: '{EF7E3281-CD33-11D4-8326-00C04FA0CE8D}' is unsupported by this installation.
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OK Help
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Repair your BizTalk installation. You will need the biztalk installation disc.