HTTP 404 when accessing svc file in IIS

Question

I recently created a WCF service that works fine when tested from Visual Studio 2008  but when I deploy the project to IIS and I try to access the  svc file from IIS  I get this error     Server Error in     Application The resource cannot be found       I ve been having this issue for the past 4 days    in the Handler Mappings of IIS Manager  I can see two entries for  svc    svc-Integrated and svc-ISAPI-2 0

User · Answer

In my case  the error was caused by incorrect mapping settings in the file applicationhost config   System32 inetsrv config   For some reason  Visual Studio 2013 corrupted it while creating a virtual directory in IIS  The fix was to manually edit the sites section in the file

User · Answer

I ve had the same problem today   For me  the solution was to go into IIS  right-click on the new Web Site name  select Properties  ASP Net  and change the ASP Net version from  1 1 4322   which it had set as the default  to 2 0 50727   Once I d done that  I could right-click on the  svc file  click on  Browse  and see the friendly Service webpage

User · Answer

You need to add a mapping for the SVC extension to ASP NET   The easiest way to do this is to run ServiceModelReg exe -i from C  Windows Microsoft NET Framework v3 0 Windows Communication Foundation   You may also need to enable ASP NET if you haven t already done so     If you are using Windows Server 2012 or 2016  follow these instructions instead    WCF on IIS8    svc handler mapping doesn  39 t work

User · Answer

Adding the  svc suffix as allowed in request filtering did the trick for me

User · Answer

I see you ve already solved your problem - but for posterity   We had a similar problem  and the SVC handler was already correctly installed  Our problem was the ExtensionlessUrl handler processing requests before they reached the SVC handler   To check this - in Handler Mappings in IIS Manager at the web server level  view the list of handlers in order  it s an option on the right-hand side   If the various ExtensionlessUrl handlers appear above the SVC handlers  then repeatedly move them down until they re at the bottom

User · Answer

None of the above solutions resolved this error for me  I had to set the following in web config   system servicemodel  gt  bindings  gt  webHttpBinding  gt  binding     lt security mode  Transport  gt     lt transport clientCredentialType  None    gt   lt  security gt    I would like to take this opportunity to CURSE Microsoft once again for creating  such a huge mess with the  NET Framework and making developer lives so miserable for so long

User · Answer

I had to add the extension  svc to the allowed extensions in the request filtering settings  got 404 7 errors before

User · Answer

Verifies that you directory has been converted into an Application is your IIS

User · Answer

I found these instructions on a blog post that indicated this step  which worked for me  Windows 8  64-bit    Make sure that in windows features  you have both WCF options under  Net framework are ticked  So go to Control Panel      Programs and Features      Turn Windows Features ON Off      Features      Add Features       NET Framework X X Features  Make sure that  Net framework says it is installed  and make sure that the WCF Activation node underneath it is selected  checkbox ticked  and both options under WCF Activation are also checked    These are    HTTP Activation   Non-HTTP Activation Both options need to be selected  checked box ticked

User · Answer

In my case Win 10  the file applicationHost config is corrupted by VS 2012  And you can get the copy the history of this file under C  inetpub history  Then restart IIS and it works properly

User · Answer

This can also become an issue after enabling IIS 6 Management Compatibility in windows 10  Setting the framework HTTP Activation under WCF Services will fix the problem

User · Answer

What worked for me  On Windows 2012 Server R2     Thanks goes to  Aaron D

User · Answer

There are 2  net framework version are given under the features in add role  features in server 2012  a  3 5  b  4 5  Depending up on used framework you can enable HTTP-Activation under WCF services

[c#] HTTP 404 when accessing .svc file in IIS

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