Understanding Application Insights Sampling Sampling in Application Insights reduces telemetry volume and cost by sending only a percentage of data. Misconfigured sampling causes missing traces, skewed metrics, and gaps in diagnostic data. This guide covers all three sampling types and…
How to harden security of Azure Private Endpoints
Private Endpoints Are Only Secure When Configured Completely Azure Private Endpoints bring Azure PaaS services into your virtual network via private IP addresses. However, creating a private endpoint is only the first step. Without disabling public access, configuring DNS correctly,…
How to harden security of Azure App Service
Your App Service Is a Target Azure App Service hosts web applications, REST APIs, and mobile backends on a fully managed platform. Its ease of deployment means teams often skip security hardening, leaving applications exposed to common attack vectors like…
How to fix Azure Cache for Redis connection refused errors
Understanding Azure Cache for Redis Connection Refused Errors Azure Cache for Redis is a fully managed, in-memory data store used for caching, session management, message brokering, and real-time analytics. Connection refused errors are among the most disruptive issues you can…
How to troubleshoot missing logs in Azure Log Analytics workspace
Understanding Missing Logs in Log Analytics Azure Log Analytics workspace missing logs is a common issue because resource logs are not collected by default. You must create a diagnostic setting for each resource. This guide covers every reason logs might…
How to troubleshoot Azure Service Bus message lock lost exceptions
Understanding Message Lock Lost Exceptions Azure Service Bus message lock lost exceptions occur when the AMQP link between client and service is detached after message receipt but before settlement. This happens due to network interruptions, idle timeouts, slow processing, or…
How to troubleshoot Azure Container Apps revision failures
Understanding Container Apps Revisions Azure Container Apps uses a revision-based deployment model. When a revision fails, your application stops serving traffic. Common causes include image pull failures, health probe misconfigurations, resource limits, and ingress routing errors. This guide covers every…
How to fix Function host is not running errors in Azure Functions
Understanding “Function Host Is Not Running” Errors The error “Function host is not running” in Azure Functions means the Functions runtime failed to start. This prevents all functions in the app from executing. The host process manages function triggers, bindings,…
How to Resolve GitHub Actions Integration Failures with Azure Static Web Apps
Understanding Static Web Apps GitHub Actions Integration Azure Static Web Apps (SWA) deploys directly from GitHub repositories via GitHub Actions. Integration failures prevent deployments, leaving your app stuck on an old version. This guide covers every common failure scenario —…
How to troubleshoot Azure Key Vault 403 Forbidden access errors
Understanding Key Vault 403 Errors Azure Key Vault returns 403 Forbidden when callers lack permissions, when firewall rules block access, or when RBAC role propagation hasn’t completed. This guide covers every 403 scenario including access policies, RBAC roles, network rules,…