A user-defined Project=Alpha tag is applied to EC2 resources.
Use Project as a filter in Cost Explorer and billing reports.
What is required after applying the tag?
After applying user-defined tags, activate the tag key for cost allocation in Billing and Cost Management.
Detailed explanation
Changing an instance's AZ does not activate a billing tag.
Changing an instance's AZ does not activate a billing tag.
aws: is a reserved AWS prefix and cannot be assigned to a user-defined tag.
aws: is a reserved AWS prefix and cannot be assigned to a user-defined tag.
Activation makes the applied key available to supported cost analysis and reports.
Activation makes the applied key available to supported cost analysis and reports.
Changing the value does not activate the key for cost allocation.
Changing the value does not activate the key for cost allocation.
Check official documentation
Compare the following points with the official documentation.
AWS Billingのユーザー定義コスト配分タグを有効化する手順を確認する。
Official references
What to confirm
タグの付与と請求側での有効化を別の処理として説明できる。
Key points
- Tag activation
- Billing and Cost Management
- Reserved prefix
Notes
- Environment:
- Billing features, report formats, and prices can change; confirm current behavior in the AWS documentation before implementation.
Foundation review
Resource tag versus billing dimension
A resource tag may need Billing activation before it appears in supported cost reports.
Propagation delay
Cost data and tag status can take time to appear and vary by service.