KB4556813 or KB4552926 broke .NET, has anyone else experienced this?

Cody Case 21 Reputation points
2020-05-22T19:50:38.18+00:00

Hello all,

Last night we installed two updates on a 2016 Data Center edition server, KB4556813 or KB4552926. 2926 specifically dealing with .NET. The server is configured as a web application server which runs APIs configured to use .NET. When going to the API on an individual server, we were receiving a 500 error. Looking at the event logs on the server it was telling us it could not find the .NET Core framework for the application. What we ended up doing is going in the program and features and clicking on the repair option for the framework and running the repair. After that, the API starts to work. Please let me know. Thanks!

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  1. Dave Patrick 353.3K Reputation points MVP
    2020-05-22T19:52:00.4+00:00

    QnA currently supports the products listed here (more to be added) Better to reach out to subject matter experts in dedicated forums over here.

    https://social.msdn.microsoft.com/Forums/vstudio/en-US/home?forum=netfxsetup

    https://forums.iis.net/

    https://forums.asp.net/1255.aspx/1?ASP+NET+Core

    --please don't forget to Accept as answer if the reply is helpful--

    --------------------------

    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.


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