Stage 2 · Lesson 5 of 7
Activating cost allocation tags and backfill
On AWS, tags on resources do not show in cost tools until you activate them as in the Billing console, and only the (or a standalone account) can do that. There are and AWS-generated tags such as createdBy, each activated separately, and changes can take up to 24 hours to appear.
You can a backfill of activation for up to twelve months, but only where the resource actually had the tag at the time. Enforce tags with tag policies in AWS Organizations and checks in your infrastructure code.
Common traptagging everything perfectly and forgetting to activate the keys.
A question to check yourself, an AI practice session and 1 cheat sheet entry come with the full roadmap. Unlock
Resources for this stage
Start with· follow one of these
- CourseFreeAWS Cloud Financial Management training (Skill Builder)
Amazon Web Services · Beginner
Free: FinOps fundamentals Part II covers cost allocation and reporting on AWS
- BookPaidCloud FinOps, 2nd edition (O'Reilly)
O'Reilly Media · Intermediate · Paid book
Paid: the chapters on allocation and tagging strategy explain the reasoning behind a good policy