Try our new research platform with insights from 80,000+ expert users
AWS Database Migration Service Logo

AWS Database Migration Service pros and cons

4.0 out of 5
Badge Leader
202 followers
Start review

Pros & Cons summary

Buyer's Guide

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

Prominent pros & cons

PROS

AWS Database Migration Service allows users to focus on logic without worrying about maintenance, as AWS handles administrative tasks.
It offers impressive scalability, facilitating the migration of large data volumes including terabytes of data.
Valuable features like parallel full load, continuous data replication, and Change Data Capture (CDC) ensure data integrity.
AWS Database Migration Service integrates seamlessly with ETL tools and supports real-time synchronization of databases.
Provided on the cloud, it is cost-effective, affordable, and particularly beneficial for users already relying on Amazon infrastructure.

CONS

Support for AWS Database Migration Service could be more expedient, with users reporting delays and a focus on commercial clientele over GovCloud users.
Bandwidth dependency on the network and the need for dedicated bandwidth are concerns users face.
The complexity of migrating from on-premise systems to AWS cloud makes users seek more helpful AWS services and better data type conversion, especially from Oracle to PostgreSQL.
Performance during large-scale procedures and data migration could be smoother and more efficient, with tweaks to reduce latency and improve stability.
Cost is a concern, and AWS Database Migration Service's price could be more competitive, making users consider alternatives like STRIIM.
 

AWS Database Migration Service Pros review quotes

AG
May 28, 2025
AWS Database Migration Service is affordable and cheaper.
Didar Moldabekov - PeerSpot reviewer
Oct 4, 2022
If your infrastructure is already on Amazon, it simply makes the most sense to use a tool officially provided by them as an additional service, rather than having to rely on a third-party solution.
reviewer2130081 - PeerSpot reviewer
Jun 16, 2023
The database migration services allow us to do real-time synchronization of on-premise and database to plan out our releases.
Learn what your peers think about AWS Database Migration Service. Get advice and tips from experienced pros sharing their opinions. Updated: June 2025.
856,873 professionals have used our research since 2012.
ZC
Dec 9, 2022
Even if it does break down, it will automatically recover itself and resumes from where it stopped.
Prashant Sukhe - PeerSpot reviewer
Nov 13, 2023
The initial setup is very straightforward.
SP
Nov 2, 2020
The process is now simplified because there won't be maintenance. Usually we can take a snapshot of the number I need. We can automate the backup snapshots and we can restore it very quickly. We get many benefits from the application.
Consolador Daroy - PeerSpot reviewer
Jan 15, 2024
For our simple requirement of migration, DMS is just a typical AWS RDS with an IPSec tunnel to Oracle. The most valuable features for us are the networking capabilities like VPCs and VPNs.
StevenLai - PeerSpot reviewer
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.
VishalSharma2 - PeerSpot reviewer
Sep 12, 2022
It's scalable.
Shady Mogawer - PeerSpot reviewer
Jan 2, 2024
The product's initial setup phase was very easy.
 

AWS Database Migration Service Cons review quotes

AG
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.
Didar Moldabekov - PeerSpot reviewer
Oct 4, 2022
One area that AWS DMS can improve on is its conversion of data types. For example, in Oracle, you have a data type called RAW, but in PostgreSQL there is no such thing. Thus, AWS DMS doesn't know what type I want to use when migrating from Oracle to PostgreSQL, and when performing the migration, AWS DMS changed the RAW data type to the byte data type, which isn't what I wanted.
reviewer2130081 - PeerSpot reviewer
Jun 16, 2023
The product's performance could be a little bit better.
Learn what your peers think about AWS Database Migration Service. Get advice and tips from experienced pros sharing their opinions. Updated: June 2025.
856,873 professionals have used our research since 2012.
ZC
Dec 9, 2022
There is no connectivity to the source database or the target database.
Prashant Sukhe - PeerSpot reviewer
Nov 13, 2023
The live duplication has a delay of two minutes, which can be an issue.
SP
Nov 2, 2020
Migrating from here and pushing the data from on-premise to AWS cloud is a big challenge and a few more services from AWS would be helpful. For example, we are currently using ILDB internet tools which move data from on-premise to the AWS cloud. A few more services would be really helpful for me to move the master data.
Consolador Daroy - PeerSpot reviewer
Jan 15, 2024
The cost is a concern. We use DMS because of its simplicity, but the price could definitely be more competitive.
StevenLai - PeerSpot reviewer
Sep 20, 2024
Sometimes we encounter errors, and the error messages from DMS are very ambiguous and sometimes misleading.
VishalSharma2 - PeerSpot reviewer
Sep 12, 2022
If they had some sort of functionality where, at a specific point in time, if I want to start a new job, it should automatically pick up from where it has been left rather than having people worry about the exact job number and the timing.
Shady Mogawer - PeerSpot reviewer
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.