---
name: azure-extended-zones
description: Expert knowledge for Azure Extended Zones development including decision making, limits & quotas, security, and configuration. Use when setting up Extended Zones access, Azure Policy, Firewall, CMK disk encryption, or quota/limit management, and other Azure Extended Zones related development tasks. Not for Azure Reliability (use azure-reliability), Azure Resiliency (use azure-resiliency), Azure Virtual Network (use azure-virtual-network), Azure Virtual WAN (use azure-virtual-wan).
compatibility: Requires network access. Uses mcp_microsoftdocs:microsoft_docs_fetch or fetch_webpage to retrieve documentation.
metadata:
  generated_at: "2026-04-19"
  generator: "docs2skills/1.0.0"
---
# Azure Extended Zones Skill

This skill provides expert guidance for Azure Extended Zones. Covers decision making, limits & quotas, security, and configuration. 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 |
|----------|-------|-------------|
| Decision Making | L32-L36 | Guidance on cost optimization for Azure Extended Zones, including when and how to buy reservations or savings plans, pricing tradeoffs, and purchase workflows. |
| Limits & Quotas | L37-L41 | How to view current Azure Extended Zones quotas, request quota increases for resources, and understand limits that may block deployments or scaling |
| Security | L42-L46 | How to encrypt Extended Zone VM disks using customer-managed keys, including setup steps, key vault integration, and security configuration details. |
| Configuration | L47-L52 | Configuring Extended Zones access and governance: registering subscriptions, creating custom Azure Policy, and deploying Azure Firewall within Extended Zones. |

### Decision Making
| Topic | URL |
|-------|-----|
| Choose and purchase reservations or savings plans for Azure Extended Zones | https://learn.microsoft.com/en-us/azure/extended-zones/purchase-reservations-savings-plans |

### Limits & Quotas
| Topic | URL |
|-------|-----|
| Request quota increases for Azure Extended Zones resources | https://learn.microsoft.com/en-us/azure/extended-zones/request-quota-increase |

### Security
| Topic | URL |
|-------|-----|
| Encrypt Extended Zone VM disks with customer-managed keys | https://learn.microsoft.com/en-us/azure/extended-zones/key-vault-encrypt-azure-extended-zone-disk |

### Configuration
| Topic | URL |
|-------|-----|
| Create custom Azure Policy definitions for Extended Zones | https://learn.microsoft.com/en-us/azure/extended-zones/create-azure-policy |
| Configure Azure Firewall deployment in Extended Zones | https://learn.microsoft.com/en-us/azure/extended-zones/deploy-azure-firewall |
| Register subscriptions to access Azure Extended Zones | https://learn.microsoft.com/en-us/azure/extended-zones/request-access |