How do I fix: 🔧 Proven Troubleshooting Steps TPM Re-Initialization?

Step 1: Stop using the TPM to prevent any further errors or complications. This will ensure that no new commands are added to the pending queue.Step 2: Re-initialize the TPM by running the command `tpm2_reinit -c -r lockpass` followed by `tpm2_load -r lockpass`. These commands will reset the TPM's s

How do I fix: TPM Dictionary Clearing?

Step 1: If the dictionary lockout is suspected to be the cause of the DA lockout mode, try clearing the dictionary using the command `tpm2_dictionaryclear -c -P lockpass`. This will remove all data from the dictionary and may resolve the issue.Step 2: After clearing the dictionary, verify that it ha

Hardware⏱️ 3 min read📅 2026-06-11

How to Fix: TPM 2.0 hardware error DA lockout mode

TPM 2.0 hardware error DA lockout mode fix

Quick Answer: Try resetting the TPM module or reinitializing it with tpm2_rc_reset.

📋 Table of Contents

💡 Why You Are Getting This Error
🔧 Proven Troubleshooting Steps
🎯 Final Words

TPM 2.0 hardware error DA lockout mode is an issue that affects users who are trying to use their Trusted Platform Module (TPM) for secure authentication and encryption purposes. This error occurs when the TPM is in a locked state, preventing it from functioning properly.

This error can be frustrating because it prevents users from utilizing the full capabilities of their TPM, which is essential for secure computing. In this guide, we will walk you through the steps to troubleshoot and resolve this issue.

💡 Why You Are Getting This Error

The DA lockout mode is triggered when there are any pending commands or operations that have not been completed successfully. This can happen due to various reasons such as a faulty TPM module, incorrect configuration, or incomplete initialization.
Another possible cause of the DA lockout mode is if the TPM's dictionary has become corrupted or locked out, which prevents the TPM from functioning properly.

🔧 Proven Troubleshooting Steps

TPM Re-Initialization

Step 1: Stop using the TPM to prevent any further errors or complications. This will ensure that no new commands are added to the pending queue.
Step 2: Re-initialize the TPM by running the command `tpm2_reinit -c -r lockpass` followed by `tpm2_load -r lockpass`. These commands will reset the TPM's state and clear any pending operations.
Step 3: Once the re-initialization is complete, verify that the TPM has been successfully initialized by checking its status using the command `tpm2_tss -V -c -s 0x06`.

TPM Dictionary Clearing

Step 1: If the dictionary lockout is suspected to be the cause of the DA lockout mode, try clearing the dictionary using the command `tpm2_dictionaryclear -c -P lockpass`. This will remove all data from the dictionary and may resolve the issue.
Step 2: After clearing the dictionary, verify that it has been successfully cleared by checking its status using the command `tpm2_tss -V -c -s 0x06`.

🎯 Final Words

Resolving the TPM 2.0 hardware error DA lockout mode can be challenging, but by following these steps, you should be able to troubleshoot and fix the issue. Remember to always back up your data before making any changes to the TPM's configuration or state.

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