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I have an application in MVC 4 using VS 2013.

This is very strange,everything was working fine till last night but today morning when I started working and tried to run my application I found the following error:

Unable to launch IIS express web server. Failed to register URL"http://localhost:62707" for site... Access denied(0x80070005)

I searched regarding this since morning and I got solutions for this which I tried as:

  • I deleted IIS Express folder from my documents several times and tried running the application by reopening it but that dint work.

  • I tried with changing the binding in applicationhost file from http to https. With this the only thing that got changed is the error is now showing:

    Unable to launch IIS Express Web server. The start URL specified is not valid.

  • I restarted my system many times as per some of the suggestion . Also my browser too .

  • I tried ending the process for IIS Express from Task Manager.

But nothing seems to be working for me and even after trying almost all of the possibilities for hours I kind of got stuck at this point.

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  • I missed that point while posting but I already tried with running as administrator and that's not working too.Also My Documents is accessible here. Commented Aug 22, 2014 at 5:36
  • "The start URL specified is not valid.". Oh. Just check project settings in VS and fix the url, e.g. add http://, etc. Commented Aug 22, 2014 at 5:39
  • I checked @abatishchev ..its proper there.Again I tried with opening application and again I am getting the earlier access denied error. Commented Aug 22, 2014 at 5:54
  • Hey This worked for me stackoverflow.com/a/42666889/6860557 if any else is still having the problem Commented May 4, 2017 at 7:24

1 Answer 1

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You can try this:

  • Open "Command Line Interface (CLI)" called "Command shell" with "Win+R" write "cmd" put this command for removing the urlacl.

    netsh http delete urlacl url=http://{ip_address}:{port}/

  • Then add the url for everyone

    netsh http add urlacl url=http://{ip_address}:{port}/ user=everyone

  • Then close the VS and delete the IISExpress folder from Documents path as:

    %userprofile%\Documents, e.g. C:\Users\[you]\Documents\IISExpress

  • Re-run your application.

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3 Comments

worked for me as well. Didn't happen until I used ccleaner and ccleaner's registry cleaner on my PC and restarted.
Thanks Vishal, this solved my problem. As a note, you can view all the reserved URLs with: netsh http show urlacl
In cmd I got error as: URL reservation delete failed, Error: 2 The system cannot find the file specified.

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