version: "1.0.2" name: azure-database-migration description: Expert knowledge for Azure Database Migration Service development including troubleshooting, decision making, limits & quotas, security, integrations & coding patterns, and deployment. Use when migrating MySQL, PostgreSQL, SQL Server/SSIS, MongoDB, or hybrid databases with Azure DMS, and other Azure Database Migration service related development tasks. Not for Azure Migrate (use azure-migrate), Azure SQL Database (use azure-sql-database), Azure SQL Managed Instance (use azure-sql-managed-instance), SQL Server on Azure Virtual Machines (use azure-sql-virtual-machines). compatibility: Requires network access. Uses mcp_microsoftdocs:microsoft_docs_fetch or fetch_webpage to retrieve documentation. metadata: generated_at: "2026-07-19" generator: "docs2skills/1.0.0"
Azure Database Migration Service Skill
This skill provides expert guidance for Azure Database Migration Service. Covers troubleshooting, decision making, limits & quotas, security, 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
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 | L34-L41 | Diagnosing and fixing common Azure DMS issues, including classic vs new DMS problems, MySQL migration errors, and source database connectivity and network failures. | |
| Decision Making | L42-L47 | Choosing the right Azure DMS tool and scenario for your source/target databases, plus FAQs on supported migrations, limitations, and how to use Azure Database Migration Service. | |
| Limits & Quotas | L48-L55 | Migration-specific limits, unsupported features, and constraints when using Azure DMS to move MySQL, PostgreSQL, SQL Managed Instance, MongoDB, and hybrid deployments. | |
| Security | L56-L61 | Security guidance for Azure DMS migrations, including SQL best practices (network, auth, encryption) and configuring custom RBAC roles for MySQL migration scenarios. | |
| Integrations & Coding Patterns | L62-L66 | Automating MySQL-to-Azure Database for MySQL migrations using Azure Database Migration Service with PowerShell scripts, parameters, and end-to-end workflow examples. | |
| Deployment | L67-L71 | Using Azure DMS to redeploy or migrate SSIS packages to Azure SQL Database or SQL Managed Instance, including configuration steps and migration considerations. | |
Troubleshooting
| Topic | URL | |
|---|
| Resolve common Azure Database Migration Service issues | https://learn.microsoft.com/en-us/azure/dms/faq | |
| Resolve known issues migrating to Azure MySQL | https://learn.microsoft.com/en-us/azure/dms/known-issues-azure-mysql-fs-online | |
| Troubleshoot common Azure DMS classic migration issues | https://learn.microsoft.com/en-us/azure/dms/known-issues-troubleshooting-dms | |
| Fix Azure DMS source database connectivity problems | https://learn.microsoft.com/en-us/azure/dms/known-issues-troubleshooting-dms-source-connectivity | |
Decision Making
| Topic | URL | |
|---|
| Choose database migration tools with the Azure DMS matrix | https://learn.microsoft.com/en-us/azure/dms/dms-tools-matrix | |
| Select supported Azure DMS migration scenarios | https://learn.microsoft.com/en-us/azure/dms/resource-scenario-status | |
Limits & Quotas
| Topic | URL | |
|---|
| Review online PostgreSQL to Azure Database for PostgreSQL migration limitations | https://learn.microsoft.com/en-us/azure/dms/known-issues-azure-postgresql-online | |
| Review online migration limits to Azure SQL Managed Instance | https://learn.microsoft.com/en-us/azure/dms/known-issues-azure-sql-db-managed-instance-online | |
| Understand Azure DMS hybrid mode limitations and issues | https://learn.microsoft.com/en-us/azure/dms/known-issues-dms-hybrid-mode | |
| Review MongoDB to Azure Cosmos DB migration limitations with DMS | https://learn.microsoft.com/en-us/azure/dms/known-issues-mongo-cosmos-db | |
Security
| Topic | URL | |
|---|
| Apply security best practices for DMS SQL migrations | https://learn.microsoft.com/en-us/azure/dms/dms-security-best-practices | |
| Configure custom RBAC roles for MySQL migrations in DMS | https://learn.microsoft.com/en-us/azure/dms/resource-custom-roles-mysql-database-migration-service | |
Integrations & Coding Patterns
| Topic | URL | |
|---|
| Automate MySQL to Azure MySQL migration with DMS PowerShell | https://learn.microsoft.com/en-us/azure/dms/migrate-mysql-to-azure-mysql-powershell | |
Deployment
| Topic | URL | |
|---|
| Redeploy SSIS packages to Azure SQL Database with DMS | https://learn.microsoft.com/en-us/azure/dms/how-to-migrate-ssis-packages | |
| Migrate SSIS packages to Azure SQL Managed Instance with DMS | https://learn.microsoft.com/en-us/azure/dms/how-to-migrate-ssis-packages-managed-instance | |