Creation of the virtual directory http://localhost:1234/ failed with the error

Question

I'm trying to load a web-project in VS2013 and I get the following error.

Full Error: Creation of the virtual directory http:/ /localhost:1234/ failed with the error: The IIS Express applicationHost.config file contains invalid entries and must be corrected.

I've tried different numbers. If I use a portnumber that is configured in IIS I get the error that it's already configured for another webapplication

some of the relevant configuration:

<UseIISExpress>False</UseIISExpress>

<UseIIS>False</UseIIS>
<DevelopmentServerPort>1234</DevelopmentServerPort>
<DevelopmentServerVPath>/</DevelopmentServerVPath>
<IISUrl></IISUrl>

Sasha · Accepted Answer · 2014-07-24 09:35:00Z

2

I had the same problem. For me, decrypting IISExpress folder (that one with 'config', 'Logs' and 'TraceLogFiles' subfodlers) solved this issue.

answered Jul 24, 2014 at 9:35

Sasha

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2 Comments

Mark S Over a year ago

This worked for me. @Demian-Kasier - you may want to acknowledge this answer if it worked for you.

JasonWilczak Over a year ago

Seconding that this also worked for me, upvoted for visibility

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