Quick Answer
The answer is to run terraform apply with no changes, which triggers an automatic upgrade of the state file format. This is correct because Terraform state files are internally versioned; when a newer Terraform binary, such as v1.2.0, encounters a state snapshot created by an older version like v0.12.0, it performs an in-place format upgrade during the next state write operation—even if the apply results in zero infrastructure changes. On the HashiCorp Terraform Associate TF-003 exam, this scenario tests your understanding of state versioning and Terraform’s backward-compatibility mechanism. A common trap is thinking you need to manually edit or re-import the state, but Terraform handles the upgrade automatically. Remember the memory tip: “Apply with zero change upgrades the state range.”
This TF-003 practice question tests your understanding of implement and maintain state. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
After running terraform apply, you see the error: 'Error: Error loading state: state snapshot was created by Terraform v0.12.0, but this is Terraform v1.2.0'. What should you do to resolve this?
Run terraform state upgrade
Why wrong: There is no terraform state upgrade command.
Run terraform apply with no changes to upgrade the state format
Running terraform apply will upgrade the state to the current version.
Delete the state file and reimport resources
Why wrong: This is destructive and unnecessary.
Downgrade Terraform to v0.12.0
Why wrong: Downgrading is not a good practice and may cause compatibility issues with providers.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Run terraform apply with no changes to upgrade the state format
Option B is correct because running `terraform apply` with no changes triggers Terraform to automatically upgrade the state file format to the version compatible with the current Terraform binary (v1.2.0). Terraform state files are versioned internally, and when a newer version of Terraform reads an older state format, it performs an in-place upgrade during the next state write operation, such as an apply that results in no changes. This avoids manual intervention or data loss.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Run terraform state upgrade
Why it's wrong here
There is no terraform state upgrade command.
Run terraform apply with no changes to upgrade the state format
Why this is correct
Running terraform apply will upgrade the state to the current version.
Related concept
Read the scenario before looking for a memorised answer.
Delete the state file and reimport resources
Why it's wrong here
This is destructive and unnecessary.
Downgrade Terraform to v0.12.0
Why it's wrong here
Downgrading is not a good practice and may cause compatibility issues with providers.
Common exam traps
HashiCorp often tests the misconception that there is a dedicated `terraform state upgrade` command, leading candidates to choose Option A, but Terraform handles state format upgrades implicitly during apply operations, not via a separate command.
Trap categories for this question
Command / output trap
There is no terraform state upgrade command.
Detailed technical explanation
Terraform state files use a JSON-based format with a `version` field that increments with each major Terraform release. When Terraform v1.2.0 reads a state file created by v0.12.0, it detects the version mismatch and refuses to load it to prevent corruption; however, during a `terraform apply` (even with no changes), Terraform writes the state back in the current version's format, effectively performing a one-way upgrade. This upgrade is irreversible, so it is recommended to back up the state file before proceeding, especially in production environments where state locking (e.g., via DynamoDB) is used to prevent concurrent modifications.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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What to study next
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FAQ
Implement and maintain state — This question tests Implement and maintain state — Read the scenario before looking for a memorised answer..
The correct answer is: Run terraform apply with no changes to upgrade the state format — Option B is correct because running `terraform apply` with no changes triggers Terraform to automatically upgrade the state file format to the version compatible with the current Terraform binary (v1.2.0). Terraform state files are versioned internally, and when a newer version of Terraform reads an older state format, it performs an in-place upgrade during the next state write operation, such as an apply that results in no changes. This avoids manual intervention or data loss.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This TF-003 practice question is part of Courseiva's free HashiCorp certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the TF-003 exam.
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