Hi @Jinal Contractor ,
Yes, it can be achieved.
Please check out this guide, it provides a variety of ways, like a simple native backup and restore, AWS DMS and so on.
Migrating Microsoft SQL Server databases to the AWS Cloud
This article provides a solution for migrating SQL Server to Amazon RDS for SQL Server using the SLQ server backup and restore method in conjunction with AWS DMS:
Migrating your SQL Server database to Amazon RDS for SQL Server using AWS DMS
But to use this way, you need to have no limitations on using SQL Server as a source for AWS DMS:
https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Source.SQLServer.html#CHAP_Source.SQLServer.Limitations
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