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azure-arc

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Expert knowledge for Azure Arc development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when managing Arc-enabled Kubernetes, servers/VMs, data services, resource bridge, or Edge RAG workloads, and other Azure Arc related development tasks. Not for Azure Kubernetes Service (AKS) (use azure-kubernetes-service), Azure Virtual Machines (use azure-virtual-machines), Azure Stack Edge (use azure-stack-edge), Azure VMware Solution (use azure-vmware-solution).

Design

What this skill does

# Azure Arc Skill

This skill provides expert guidance for Azure Arc. Covers troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. It combines local quick-reference content with remote documentation fetching capabilities.

## How to Use This Skill

> **IMPORTANT for Agent**: Use the **Category Index** below to locate relevant sections. For categories with line ranges (e.g., `L35-L120`), use `read_file` with the specified lines. For categories with file links (e.g., `[security.md](security.md)`), use `read_file` on the linked reference file

> **IMPORTANT for Agent**: If `metadata.generated_at` is more than 3 months old, suggest the user pull the latest version from the repository. If `mcp_microsoftdocs` tools are not available, suggest the user install it: [Installation Guide](https://github.com/MicrosoftDocs/mcp/blob/main/README.md)

This skill requires **network access** to fetch documentation content:
- **Preferred**: Use `mcp_microsoftdocs:microsoft_docs_fetch` with query string `from=learn-agent-skill`. Returns Markdown.
- **Fallback**: Use `fetch_webpage` with query string `from=learn-agent-skill&accept=text/markdown`. Returns Markdown.

## Category Index

| Category | Lines | Description |
|----------|-------|-------------|
| Troubleshooting | L37-L70 | Diagnosing and fixing Azure Arc issues: connectivity, extensions, GitOps, Kubernetes, servers/VMs, SQL, storage, site manager, resource bridge, workload orchestration, and Edge RAG. |
| Best Practices | L71-L77 | Best practices for Azure Arc storage and data services: filesystem behavior, avoiding out-of-space issues, static retain workflows for Edge Volumes, and common usage FAQs. |
| Decision Making | L78-L96 | Guidance on planning, sizing, licensing, connectivity, platform selection, and migration decisions for Azure Arc servers, Kubernetes, data services, SQL, and Edge RAG workloads. |
| Architecture & Design Patterns | L97-L104 | Patterns for Arc data/compute design: container storage data flow, Arc Edge Volumes, HA/DR for Arc SQL MI and failover groups, and advanced Edge RAG data parsing. |
| Limits & Quotas | L105-L115 | Limits, quotas, versions, and requirements for Arc-enabled Kubernetes, Edge RAG, Arc data services, resource bridge, and billing/ESU behavior for connected machines and Windows Server. |
| Security | L116-L172 | Security, identity, and access control for Azure Arc: AD auth, TDE, keytabs/credential rotation, RBAC, network protection, Private Link, policies, and hardening for servers, Kubernetes, and SCVMM/vSphere. |
| Configuration | L173-L257 | Configuring and operating Azure Arc: data services, container storage, GitOps, networking, agents, monitoring, extensions, and onboarding/management of Arc-enabled servers and Kubernetes. |
| Integrations & Coding Patterns | L258-L279 | Programmatic and automation patterns for Azure Arc: CLI/PowerShell/ARM/Ansible/Terraform usage, onboarding servers/VMs/K8s at scale, managing extensions, monitoring, and security integrations. |
| Deployment | L280-L308 | Deploying and managing Azure Arc components: data controllers, Kubernetes extensions, resource bridge, SCVMM/VMware onboarding, monitoring agents, upgrades, DR/failover, and multicloud connectors. |

### Troubleshooting
| Topic | URL |
|-------|-----|
| Fix blob upload and mirroring issues with managed identity | https://learn.microsoft.com/en-us/azure/azure-arc/container-storage/blobs-not-uploaded |
| Troubleshoot Azure Arc container storage deployments | https://learn.microsoft.com/en-us/azure/azure-arc/container-storage/troubleshooting |
| Troubleshoot failover group connection issues in Arc SQL | https://learn.microsoft.com/en-us/azure/azure-arc/data/troubleshoot-managed-instance |
| Troubleshoot configuration files for Arc SQL Managed Instance | https://learn.microsoft.com/en-us/azure/azure-arc/data/troubleshoot-managed-instance-configuration |
| Collect Azure Arc data controller logs for troubleshooting | https://learn.microsoft.com/en-us/azure/azure-arc/data/troubleshooting-get-logs |
| Monitor and troubleshoot cert-manager for Arc-enabled Kubernetes | https://learn.microsoft.com/en-us/azure/azure-arc/kubernetes/cert-manager-monitor-troubleshoot |
| Diagnose Azure Arc-enabled Kubernetes connection problems | https://learn.microsoft.com/en-us/azure/azure-arc/kubernetes/diagnose-connection-issues |
| Troubleshoot Arc-enabled Kubernetes extension failures | https://learn.microsoft.com/en-us/azure/azure-arc/kubernetes/extensions-troubleshooting |
| Resolve common issues for Arc-enabled Kubernetes and GitOps | https://learn.microsoft.com/en-us/azure/azure-arc/kubernetes/faq |
| Troubleshoot Azure Key Vault Secret Store extension issues | https://learn.microsoft.com/en-us/azure/azure-arc/kubernetes/secret-store-extension-troubleshooting |
| Troubleshoot Azure Arc-enabled Kubernetes platform and GitOps issues | https://learn.microsoft.com/en-us/azure/azure-arc/kubernetes/troubleshooting |
| Troubleshoot Azure Arc multicloud connector issues | https://learn.microsoft.com/en-us/azure/azure-arc/multicloud-connector/troubleshoot-multicloud-connector |
| Troubleshoot Azure Arc resource bridge deployment and connectivity | https://learn.microsoft.com/en-us/azure/azure-arc/resource-bridge/troubleshoot-resource-bridge |
| Evaluate Arc on Azure VMs and handle errors | https://learn.microsoft.com/en-us/azure/azure-arc/servers/plan-evaluate-on-azure-virtual-machine |
| Troubleshoot SSH connectivity to Arc-enabled servers | https://learn.microsoft.com/en-us/azure/azure-arc/servers/ssh-arc-troubleshoot |
| Diagnose Azure Connected Machine agent connection issues | https://learn.microsoft.com/en-us/azure/azure-arc/servers/troubleshoot-agent-onboard |
| Handle disconnected scenarios for Azure Arc-enabled servers | https://learn.microsoft.com/en-us/azure/azure-arc/servers/troubleshoot-connectivity |
| Troubleshoot Azure Arc ESU licensing and patch delivery | https://learn.microsoft.com/en-us/azure/azure-arc/servers/troubleshoot-extended-security-updates |
| Troubleshoot networking problems for Azure Arc-enabled servers | https://learn.microsoft.com/en-us/azure/azure-arc/servers/troubleshoot-networking |
| Diagnose and fix Azure Arc server VM extension failures | https://learn.microsoft.com/en-us/azure/azure-arc/servers/troubleshoot-vm-extensions |
| Clarify Azure Arc vs VMware vSphere usage | https://learn.microsoft.com/en-us/azure/azure-arc/servers/vmware-faq |
| Azure Arc site manager FAQ and behavioral clarifications | https://learn.microsoft.com/en-us/azure/azure-arc/site-manager/faq |
| Known issues and workarounds for Azure Arc site manager | https://learn.microsoft.com/en-us/azure/azure-arc/site-manager/known-issues |
| Troubleshoot common Azure Arc site manager problems | https://learn.microsoft.com/en-us/azure/azure-arc/site-manager/troubleshooting |
| Recover Azure Arc resource bridge VM after deletion | https://learn.microsoft.com/en-us/azure/azure-arc/system-center-virtual-machine-manager/disaster-recovery |
| Troubleshoot SCVMM-specific Azure Arc resource bridge deployment errors | https://learn.microsoft.com/en-us/azure/azure-arc/system-center-virtual-machine-manager/troubleshoot-scvmm |
| Troubleshoot guest management issues for Arc-enabled VMware | https://learn.microsoft.com/en-us/azure/azure-arc/vmware-vsphere/troubleshoot-guest-management-issues |
| Diagnose Azure Arc workload orchestration logs and errors | https://learn.microsoft.com/en-us/azure/azure-arc/workload-orchestration/diagnose-problems |
| Resolve known Azure Arc workload orchestration issues | https://learn.microsoft.com/en-us/azure/azure-arc/workload-orchestration/known-issues |
| Diagnose and fix Azure Arc workload orchestration issues | https://learn.microsoft.com/en-us/azure/azure-arc/workload-orchestration/troubleshooting |

### Best Practices
| Topic | URL |
|-------|-----|
| Handle Azure Ar
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Category: Design

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