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Azure .NET Production Debugging

Identity, Config & Edge Incidents

Key Vault references, managed identity, Azure SQL login failures, slot config drift, CORS, auth callbacks, domains, TLS, and secret rotation.

7 drillsPractice one at a timeOrdered pathDebugging scenario

Recommended start

Key Vault Reference Fails

Diagnose App Service app settings that reference Key Vault secrets but fail at runtime.

Medium~10 minStep 1 of 7

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1Key Vault Reference FailsRecommended startDiagnose App Service app settings that reference Key Vault secrets but fail at runtime.Debugging scenarioMedium~10 min.NETApplication InsightsASP.NET CorePractice

Practice order

7 drillsOne at a time

1Key Vault Reference FailsUp next / Medium / ~10 min
2Managed Identity SQL LoginMedium / ~10 min
3Slot Config DriftMedium / ~10 min

2

Managed Identity SQL LoginDiagnose a .NET API that cannot connect to Azure SQL using managed identity.Debugging scenarioMedium~10 min.NETApplication InsightsASP.NET Core

Practice

3Slot Config DriftInvestigate a production issue caused by staging and production slot configuration drifting apart.Debugging scenarioMedium~10 min.NETApplication InsightsASP.NET CorePractice

4CORS After Domain ChangeDiagnose browser CORS errors after moving an Azure-hosted API or frontend to a new custom domain.Debugging scenarioEasy~8 min.NETApplication InsightsASP.NET CorePractice

5Broken Auth CallbackDiagnose authentication redirect or callback failures after a slot swap or domain change.Debugging scenarioMedium~10 min.NETApplication InsightsASP.NET CorePractice

6TLS or Domain IncidentInvestigate production failures caused by custom domain, DNS, TLS certificate, or HTTPS binding problems.Debugging scenarioMedium~10 min.NETApplication InsightsASP.NET CorePractice

7Secret Rotation IncidentDiagnose and recover from a production failure caused by rotated secrets or stale secret references.Debugging scenarioHard~12 min.NETApplication InsightsASP.NET CorePractice

4CORS After Domain Change

Easy / ~8 min

5Broken Auth CallbackMedium / ~10 min

6TLS or Domain IncidentMedium / ~10 min

7Secret Rotation IncidentHard / ~12 min

Identity, Config & Edge Incidents - Azure .NET Production Debugging | Aporeon