How to capture OWIN logs in Azure App Service

How to capture OWIN logs in Azure App Service

Here are the steps to capture Owin Logs from your Azure Website:

1. Go the Azure Portal and go to your App Service and then open the KUDU console as shown below:

2. You can also open the KUDU console of your website by navigating to the SCM site directly, for example *http://.scm.Azurewebsites.net** (replace* with your website name)

   

3. Once you are inside the KUDU console, go to Debug Console and then CMD as shown below:

   

4. Once you are inside the CMD go to the site folder and then wwwroot folder, as shown below:

   

5. Once you are within the wwwroot folder, locate the web.config file and click the pencil icon to edit the file:

   

   Please place the below code as a separate section in the web.config

     
                    <system.diagnostics>
                        <trace autoflush="true"/>
                        <sources>
                          <source name="Microsoft.Owin">
                            <listeners>
                              <add name="KatanaListener"/>
                            </listeners>
                          </source>
                        </sources>
                        <sharedListeners>
                          <add name="KatanaListener" 
                    type="System.Diagnostics.TextWriterTraceListener"
                     initializeData="d:\home\logfiles\Katana.trace.log"
                    traceOutputOptions="ProcessId, DateTime"/>
                        </sharedListeners>
                        <switches>
                          <add name="Microsoft.Owin" value="Verbose"/>
                        </switches>
                      </system.diagnostics> 
   

6. Once you have saved the web.config file, restart the website from the Azure Portal: