Hi balanarasimhac-1495,
You can use Data Migration Assistant to help you migrate to SQL Server 2012 by detecting compatibility issues that can impact database functionality. DMA recommends performance and reliability improvements for your target environment and allows you to move your schema, data, and uncontained objects from your source server to your target server.
Please refer to the tutorials which might be helpful:
Upgrade SQL Server using the Data Migration Assistant
SQL Server upgrades
Please make sure to back up all SQL Server database files from the instance before migration.
Best Regards,
Amelia
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