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Unrecognized configuration section system.serviceModel – Plesk

When I publish my website to my plesk server I get an error about a:

Unrecognized configuration section system.serviceModel.

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5

Answers


  1. 0

    What version of the .NET framework does your hoster support??

    The <system.serviceModel> is the WCF section and WCF only came about in .NET 3.0 – if this hoster is only supporting strictly .NET 2.0, then you’re out of luck 🙁

    Solutions:

    • either you can get your hosting provider to install .NET 3.0 (or preferably .NET 3.5 SP1) so you can use WCF
    • you remove that <system.serviceModel> section from your config file if you don’t even need and use WCF
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  2. 0

    I came across this error while trying to install one of my company’s standard products, that I just couldn’t get working (it’s an ASP.NET 2.0 website). I found that within the C# code it references System.Configuration.ConfigurationManager.ConnectionStrings[“our param name”].

    I went in to IIS Admin (it’s on Windows XP/SP3), the ASP.NET tab and ‘Edit Configuration’, and when I got to the Application tab, it just threw an unhandled exception as above, “Unexpected section system.serviceModel in C:WINDOWSMicrosoft.NETFrameworkv2.0.50727CONFIGmachine.config”.

    I deleted the section from machine.config, and all was well, the website was able to come up as expected.

    Although, to add further confusion, I have a second machine running the same web application, which also has the “system.serviceModel” section, and that works fine. Both machines have .Net 1.1, 2.0SP2, 3.0SP2 and 3.5SP1 installed. There’s obviously a bit more to this, but just deleting the section appears to resolve the problem.

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  3. 0

    Symantec Backup Exec has also problems with this.

    Solution:
    Removed

    all inclusive

    And works fine.

    Link:
    The Backup Exec for Windows Servers console does not open

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  4. 0

    We have two load-balanced web servers with basically identical configurations, and one of them started receiving this error after installing Windows Updates last night (1/29/2013).

    I copied the machine.config file from the working machine, and it appears that everything is now working correctly.

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  5. 0

    The error message:

    System.Configuration.ConfigurationErrorsException: Unrecognized configuration section system.serviceModel. (c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Configmachine.config line 146)

    is probably caused by missing WCF section handlers. Wenlong Dong1 explains in more detail, what might be going on.

    In my case I could restore the sections by running the solution steps for what he calls issue 2, that is:

    %windir%Microsoft.NETFrameworkv3.5WFServicesReg.exe /r /b

"%windir%Microsoft.NETFrameworkv3.0Windows Communication FoundationServiceModelReg.exe" /i

%windir%Microsoft.NETFrameworkv3.5WFServicesReg.exe /c /b
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