WCF on IIS8 svc handler mapping doesn t work

Question

I m trying to get a WCF service running in IIS8 on Windows Server 2012 build 8400  When installing the web role the WCF stuff  under 3 51  wasn t to be found like in Windows Server 2008  When installed the svc handler mapping was missing  so i did a   windir  Microsoft NET Framework v3 0 WindowsCommunication Foundation ServiceModelReg exe    i  Now the handler mapping is there  but I still get  The resource you are looking for does not have a handler associated with it    I removed the static file handler   The site is using the classic pipeline in order to use impersonation

User · Answer

I had to enable HTTP Activation in  NET Framework 4 5 Advanced Services   WCF Services

User · Answer

Windows 8 with IIS8  Hit Windows X Select Programs and Features  first item on list  Select Turn Windows Features on or off on the left Expand  NET Framework 4 5 Advanced Services Expand WCF Services Enable HTTP Activation

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More specifically    Run Server Manager  on task bar and start menu  Choose the server to administer  probably local server  Scroll down to  Roles and Features  section  Choose  Add Role or Feature  from Tasks drop down On  Add Role or Feature Wizard  dialog  click down to  Features  in list of pages on the left  Expand   Net 3 5  or   Net 4 5   depending on what you have installed   you can go back up to  roles  screen to add if you don t have  Under  WCF Services   check the box for  HTTP-Activation   You can also add non-http types if you know you need them  tcp  named pipes  etc   Click  Install  Button

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On windows 10  client  you can also script this using  Enable-WindowsOptionalFeature -Online -NoRestart -FeatureName WCF-HTTP-Activation45 -All   Note that this is a different command from the server skus

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I prefer to do this via a script nowadays  REM install the needed Windows IIS features for WCF dism  Online  Enable-Feature  FeatureName WAS-WindowsActivationService dism  Online  Enable-Feature  FeatureName WAS-ProcessModel dism  Online  Enable-Feature  FeatureName WAS-NetFxEnvironment dism  Online  Enable-Feature  FeatureName WAS-ConfigurationAPI dism  Online  Enable-Feature  FeatureName WCF-HTTP-Activation dism  Online  Enable-Feature  FeatureName WCF-HTTP-Activation45  REM Feature Install Complete pause

User · Answer

We managed to solve the error under Windows Server 2012 by    Removing from  Remove Roles and Features Wizard   NET Framework 4 5 Features ASP NET 4 5 and all its dependent features Re-installing the removed features    It seems the order of installation is the cause   Also  make sure you have HTTP Activation installed under WCF Services

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Order of installation matters a lot when configuring IIS 8 on Windows 8 or Windows Server 2012   I faced lot of issues configuring IIS 8 but finally these links helped me   Installing IIS 8 Configuring WCF

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This was a really silly one for me  Adding this here as it s one of the more popular threads on svc 404 issues   I had in my Project Settings    Web   Project URL  pasted   http   blah webservice local blahblah com Blah svc   And for some unknown reason  having done this a thousand times  didn t spot straight away that the name of the  svc file was at the end    DOH    I had just pasted the address from my WCF test client and hadn t checked it sufficiently  What this did in the background was create an IIS application at the  svc address and I was getting nothing out of IIS  I couldn t work out how I couldn t even hit the  svc file   Simple fix  obviously  just remove the application in IIS and change the project URL   After almost 20 years at this  you can still make schoolboy errors   rookie mistakes  Hope this helps someone

User · Answer

turn ON the following on  Turn Windows Features on or off   a   Net Framework 3 5 - WCF HTTP Activation and Non-Http Activation  b  all under WCF Services

User · Answer

It s HTTP Activation feature of  NET framework  Windows Process Activation feature is required too

User · Answer

For Windows 8 machines there is no  Server Manager  application  at least I was not able to find it    Though I was able to resolve the problem  I m not sure in which sequence I did the following operations but looks like one few of following actions help    Turn ON the following on  Turn Windows Features on or off  a   Net Framework 3 5 - WCF HTTP Activation and Non-Http Activation b  all under WCF Services  as specified in one of the answers to this question  executed  ServiceModelReg exe    i  in   windir  Microsoft NET Framework v3 0 Windows Communication Foundation   folder Registered ASP NET 2 0 via two commands   in folder C  WINDOWS Microsoft NET Framework v2 0 50727    aspnet regiis -ga  NT AUTHORITY NETWORK SERVICE  aspnet regiis -iru Restarted PC    it looks like as a result as actions    3 and 4 something got broken in my ASP NET configuration Repeat action  2 Install two other options from the  Programs and Features    Net Framework 4 5 Advanced Services  I checked both sub options  ASP NET 4 5 and WCF services Restart App Pool    Sequence is kind of crazy  but that helped to me and probably will help to other

User · Answer

using PowerShell you can install the required feature with   Add-WindowsFeature  NET-HTTP-Activation

[asp.net] WCF on IIS8; *.svc handler mapping doesn't work

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