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EFDE - Failed to take TPM ownership


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Struggling to get a few laptops encrypted, with the error in the subject

Log files shows the following:

[inspector] [error] [4724] Failed to take TPM ownership

Then it will state the following on subsiquent reboots

[inspector] [error] [4852] Encryption has failed previously so we will not continue

I have removed the agent, cleared TPM, restarted, attempted to encrypt again and still the same.


Edited by NuclearSSD
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Alrightly then, if anyone else gets this, it seem if you have the dreaded Windows \ Office 365 TPM Issue, like this one https://answers.microsoft.com/en-us/outlook_com/forum/all/error-code-80090016-trusted-platform-module-has/c0588197-a33a-423f-bcb0-4ab5cda58928 then you need to fix that first.

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  • ESET Staff


You posted this to the correct forum so no worries there, but I am sorry for the delayed response, however, I see you have now solved the issue.

Please let us know if you need anything else. Thank you.

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