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Authenticating to Azure SQL Using C# (.NET 8) + DefaultAzureCredential + User-Assigned Identity

Learn how to securely connect a .NET 8 Azure Function to Azure SQL using DefaultAzureCredential and a User Assigned Managed Identity. In this guide, we walk through creating a clean architecture setup, implementing an authentication-aware connection factory, and configuring your Azure Function App to authenticate without storing credentials. Perfect for developers looking to modernize their SQL access with fully managed, token-based security.

Building a Modern Solarpunk Blog with Next.js 15 and TypeScript