Azure SQL Data Sync is scheduled for retirement on September 30, 2027, prompting organizations to reassess their data synchronization strategies. This retirement presents an opportunity to modernize data architectures and reduce technical debt. Azure Data Factory is recommended for Azure SQL Database to Azure SQL Database synchronization, offering a managed, scalable, and future-proof solution. The recommended ADF migration involves an initial full load followed by incremental synchronization using Change Tracking or Change Data Capture. This approach provides enhanced visibility and operational control compared to SQL Data Sync. If true two-way synchronization isn't required, Active Geo-Replication, Database Copies, or Read Replicas are viable alternatives for different use cases. For organizations focused on real-time analytics and Microsoft Fabric, Fabric Mirrored Databases offer integration benefits. Azure Functions can be used for event-driven or lightweight synchronization needs, though it requires more development effort. It is crucial for organizations to begin planning their migration early due to the complex testing and deployment cycles involved. The best replacement solution depends on specific requirements like latency, workload type, and disaster recovery needs. Ultimately, the retirement of SQL Data Sync is an opportunity to embrace modern, cloud-native services and improve overall data architecture.