Microsoft Azure Mastery for .NET Architects
Lesson 27 of 30 90% of course

Azure Arc: Managing on-premise and multi-cloud from Azure

18 · 8 min · 5/23/2026

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Azure Everywhere

Azure Arc is a bridge that extends the Azure control plane to your on-premise servers, AWS, or Google Cloud.

1. Governance Outside Azure

With Arc, you can apply **Azure Policy** to a SQL Server running in your own office or a VM in AWS. You can see all your global inventory in a single 'Resource Group' view, regardless of where the physical hardware is located.

2. Arc-Enabled Kubernetes

You can take a standard Kubernetes cluster (on-prem) and 'Arc-enable' it. You can then deploy your .NET microservices to that cluster using **GitOps** directly from the Azure portal. This is the ultimate tool for companies with complex hybrid requirements.

3. Architect Insight

Q: "Why would I use Arc?"

Architect Answer: "Use **Azure Arc** if your company has 'Cloud Skeptics' or legacy data that MUST stay in your own building. Arc allows you to provide a modern 'Azure Experience' (logging, security, policy) to those legacy systems without moving the data. It's the 'Soft Path' to cloud migration."

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Microsoft Azure Mastery for .NET Architects

On this page

1. Governance Outside Azure 2. Arc-Enabled Kubernetes 3. Architect Insight
1. Azure Identity & Governance
Microsoft Entra ID (Azure AD): Scaling identity for .NET apps App Registrations & Service Principals: Secure machine identity Azure Policy & Blueprints: Enforcing architecture standards Resource Groups & Management Groups: Organizing the Cloud
2. Azure Web & Compute
Azure App Service: Managed hosting for ASP.NET Core Azure Functions: Serverless logic with Durable Functions Azure Container Apps (ACA): Serverless K8s for microservices Azure Kubernetes Service (AKS): Enterprise orchestration
3. Azure Databases
Azure SQL Database: The king of cloud-native SQL Azure Cosmos DB: Global scale with multi-model NoSQL Azure Cache for Redis: Managed memory performance Azure Database for PostgreSQL/MySQL: Flexible server scaling
4. Networking & Security
Azure Virtual Network (VNet): Subnets, Peering, and Gateways Azure Front Door: Global CDN & Load Balancing Azure Key Vault: Managing secrets, keys, and certificates Azure Application Gateway (WAF): Protecting the front-end
5. Messaging & Integration
Azure Service Bus: Enterprise-grade message queuing Azure Event Grid: Building reactive, event-driven systems Azure Event Hubs: Large-scale data ingestion for .NET Logic Apps: No-code orchestration for .NET developers
6. AI & Data Services
Azure OpenAI Service: Integrating GPT into .NET apps Cognitive Services: Vision, Speech, and Language APIs Azure Search (AI Search): Semantic search and vector indexing Azure Data Factory: ETL and data movement
7. Monitoring & Hybrid
Azure Monitor & Application Insights: Deep .NET observability Log Analytics: KQL (Kusto) for large-scale log analysis Azure Arc: Managing on-premise and multi-cloud from Azure Azure Bicep: Modern Infrastructure as Code for Azure
8. Enterprise Scale & Patterns
Cloud Adoption Framework (CAF): The Architect's strategy Case Study: Global retail scaling with Cosmos DB and AKS