Sometimes you might get HTTP Status 405 error on the client when communicating with Core web service:

Error: Request failed with HTTP Status 405: Method not allowed 


If you installed the IIS after Windows Communication Foundation (WCF) was installed you must run the following command:
“%WINDIR%\Microsoft.Net\Framework\v3.0\Windows Communication Foundation\ServiceModelReg.exe” -r
Details are described in the following article:

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