AWS Application Discovery Service
Survey infrastructure before migration
Collects information about on-premises servers (configuration, utilization, processes, network connections) using agents or an agentless collector, helping you plan migrations to AWS.
- Cost$ Low
- Difficulty●●●●●
- Costs money when idle?No
- Managed by AWS
- In examsSAA · CLF
Think of it asLike taking inventory of all the furniture and wiring in your old house before planning a move.
When to use it
✓ Use it when
You don't yet know how many servers you have or how they depend on each other before migrating.
✗ Avoid it when
You only need a quick cost/TCO estimate → Migration Evaluator; you already have a complete CMDB.
Common uses
- Inventory VMware servers before migrating
- Map network dependencies between applications
- Feed data into Migration Hub to group applications
What does it cost?
- Pricing model: Free; you only pay for other services used alongside it (such as storing exported data in S3 or analyzing it with Athena).
Related services
SAA-C03 study guide
Application Discovery Service is covered in these study modules: