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HashiCorp Certified: Terraform Associate Terraform Associate (004) · Domain 6: Terraform state management

Resource drift: detecting it with `plan` and `apply -refresh-only`, reconciling configuration

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Last reviewed September 25, 2026 · Leer en español

Drift happens when real infrastructure no longer matches what Terraform last recorded. Someone edits a security group in the console, an autoscaling process changes a setting, or a resource is deleted by hand. Terraform does not watch your infrastructure continuously, so drift stays invisible until the next time Terraform checks.

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