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AWS Database Migration Service pros and cons

Vendor: Amazon Web Services (AWS)

4.0 out of 5

35 reviews
91% willing to recommend

Pros & Cons summary

AWS Database Migration Service ensures stable, reliable, and cost-effective database migrations with seamless setup and real-time sync using Change Data Capture, maintaining data integrity. While its architecture supports scalability, handling large datasets efficiently, it is only compatible with AWS, limiting Azure or Google Cloud use. Issues with data type conversions and performance during large migrations exist. Technical support and documentation are often criticized for lacking clarity and efficiency.

Buyer's Guide

Get pricing advice, tips, use cases and valuable features from real users of this product.

Prominent pros & cons

PROS

AWS Database Migration Service is stable, reliable, and enables seamless migration of databases.

It provides real-time synchronization using Change Data Capture (CDC) and ensures data integrity during migration.

The setup of AWS Database Migration Service is straightforward and simple, facilitating quick and easy migrations.

AWS Database Migration Service offers significant cost advantages, being more affordable compared to other database migration solutions.

Its architecture supports scalability and allows for seamless migrations, handling large datasets efficiently.

CONS

AWS Database Migration Service is only compatible with AWS, limiting its use with other cloud services like Azure or Google Cloud.

Conversion of data types, such as the RAW data type from Oracle to PostgreSQL, is problematic in AWS Database Migration Service.

The service's performance and stability, especially for large-scale migrations, could be improved.

Cost concerns are frequently raised as AWS Database Migration Service prices have become challenging.

Technical support and documentation for AWS Database Migration Service are often criticized as lacking in efficiency and clarity.

AWS Database Migration Service Pros review quotes

AG

Delivery Head Data Engineering at BAGIC

May 28, 2025

AWS Database Migration Service is affordable and cheaper.

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reviewer2057175

Owner at a outsourcing company with 1,001-5,000 employees

Mar 11, 2025

One valuable feature of AWS Database Migration Service is change data capture (CDC).

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Lead Architect at Fracral

Jan 15, 2025

We have the ability to bring data for all tables of a database in one go, as long as the tables follow a particular naming convention.

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AWS Database Migration Service

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Learn what your peers think about AWS Database Migration Service. Get advice and tips from experienced pros sharing their opinions. Updated: June 2026.

900,644 professionals have used our research since 2012.

Sr. Data Engineer at a real estate/law firm with 1,001-5,000 employees

Sep 20, 2024

The most valuable feature is its ability to get all the changes in our data and store that in an S3 bucket.

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Business Intelligence Manager & Data Analytics (Retail Business) at a retailer with 1,001-5,000 employees

Jul 3, 2024

One of the features, I find most valuable is its ability to apply rules and transformations to data during real-time integration. This includes changing schema names or table structures on AWS without delaying the data flow. Initially, full migrations can vary widely in time depending on the source system; for instance, a large Magento database might take up to six months, while smaller databases like IBM DB2 could migrate within hours. Once set up, AWS DMS ensures real-time synchronization using Change Data Capture (CDC), maintaining data integrity throughout the process.

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Sr Director / Architect at a computer software company with 201-500 employees

Nov 13, 2023

The initial setup is very straightforward.

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Business Proces Specialist at a manufacturing company with 5,001-10,000 employees

Jan 3, 2024

The most valuable feature of the solution is the one I use for report generation. The security risk is very low.

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Head of Data Services – Services Partner at 3 As Technologies

Sep 6, 2024

DMS's architecture is highly beneficial, allowing for scalable migrations of large datasets.

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IT Manager at Arabian Cement Company

Jan 2, 2024

The product's initial setup phase was very easy.

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Shreyank Vyavahare

Data Engineering Manager at a consumer goods company with 201-500 employees

Dec 29, 2023

This solution is very good at mini-batch processing.

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AWS Database Migration Service Cons review quotes

AG

Delivery Head Data Engineering at BAGIC

May 28, 2025

Improvements could be made in AWS Database Migration Service. Because of that, I am moving out of DMS now to a STRIIM solution.

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reviewer2057175

Owner at a outsourcing company with 1,001-5,000 employees

Mar 11, 2025

When working with AWS GovCloud, we often did not get an answer in time because AWS seemed more focused on the commercial side.

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Lead Architect at Fracral

Jan 15, 2025

I was looking for a table that suggests which facets such services address with proofs of reference from professional conferences. The document is a 63 page read, making it very difficult to navigate without a summary.

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AWS Database Migration Service

Free Report: AWS Database Migration Service Reviews and More

Learn what your peers think about AWS Database Migration Service. Get advice and tips from experienced pros sharing their opinions. Updated: June 2026.

900,644 professionals have used our research since 2012.

Sr. Data Engineer at a real estate/law firm with 1,001-5,000 employees

Sep 20, 2024

Sometimes we encounter errors, and the error messages from DMS are very ambiguous and sometimes misleading.

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Business Intelligence Manager & Data Analytics (Retail Business) at a retailer with 1,001-5,000 employees

Jul 3, 2024

In my experience, AWS Database Migration Service performs well for its primary purpose of data migration. One area that could be improved is its support for non-AWS file formats, particularly when integrating data from sources stored outside of AWS. For example, handling AWS Data Lakes, Delta Lake, or Hadoop file formats stored in S3 requires extensive configuration and isn't always straightforward. It would be beneficial to streamline this process to ensure smoother migrations from non-AWS environments to AWS. As for additional functionality, I think enhancing support for these external file formats and simplifying configuration steps would be valuable improvements for the service.

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Sr Director / Architect at a computer software company with 201-500 employees

Nov 13, 2023

The live duplication has a delay of two minutes, which can be an issue.

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Business Proces Specialist at a manufacturing company with 5,001-10,000 employees

Jan 3, 2024

There are a set of complexities and challenges when a user wants to integrate AWS products with Microsoft products.

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Head of Data Services – Services Partner at 3 As Technologies

Sep 6, 2024

There could be enhancements in the product intelligently covering more scenarios to prevent crashes or failures.

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IT Manager at Arabian Cement Company

Jan 2, 2024

The names of the services need improvement since AWS doesn't indicate what the function of the product is presently. You need to read a lot to find the service that you want in the product.

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Shreyank Vyavahare

Data Engineering Manager at a consumer goods company with 201-500 employees

Dec 29, 2023

This solution can offer more tweaks where the latency can be brought down to fifteen seconds.

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Show 10 more reviews (out of 32)

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Product Categories

Product Categories

Cloud Data Integration

Popular Comparisons

Popular Comparisons

Informatica Intelligent Data Management Cloud (IDMC) vs AWS Database Migration Service

MuleSoft Anypoint Platform vs AWS Database Migration Service

Qlik Talend Cloud vs AWS Database Migration Service

Palantir Foundry vs AWS Database Migration Service

webMethods.io vs AWS Database Migration Service

AWS Glue vs AWS Database Migration Service

Fivetran vs AWS Database Migration Service

Denodo vs AWS Database Migration Service

SnapLogic vs AWS Database Migration Service

Matillion Data Productivity Cloud vs AWS Database Migration Service

Zapier vs AWS Database Migration Service

Jitterbit Harmony vs AWS Database Migration Service

IBM App Connect vs AWS Database Migration Service

Rivery vs AWS Database Migration Service

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See all alternatives

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