Purpose

This guide helps diagnose why messages received by the WCF Service are not appearing in the Partner Portal (i.e., the flow between IntegrationApiService and ApiService fails).

Step-by-step troubleshooting

1. Verify upstream delivery (SonWin → WCF Service)

Follow the guide: Troubleshooting Client -> PartnerPortal

Confirm:


If messages ARE logged but do not appear in Partner Portal → continue to Step 2.


2. Check IntegrationApiService → ApiService communication (Application Insights)

  1. Open Azure Portal

  2. Navigate to Application InsightsPartnerPortalInsights_XXX

  3. Open Logs

  4. Query Traces

Use either:


3. Identify failure type

Look for errors originating from:

Symptom in logsLikely cause
401 / 403Authentication / Managed Identity / API permissions
404Wrong endpoint or route mismatch
400Contract mismatch / invalid payload
5xxApiService failure or unhandled exception
Timeout / TaskCanceledExceptionNetwork / firewall / service unavailable
Serialization errorsDTO mismatch between services
No trace at allIntegrationApiService never called ApiService

4. Decide where to fix

Configuration issue (Azure)

Code issue


Result

After identifying the error in Application Insights: