Trusted Platform Module Has Malfunctioned Keyset Does Not Exist, Here’s how I resolved the issue.

Trusted Platform Module Has Malfunctioned Keyset Does Not Exist, Jun 20, 2025 · Running into the “Keyset does not exist” error in Office 365—often linked with error code 80090016 can be frustrating, especially when it blocks access to apps like Outlook or Teams. May 26, 2022 · Office 365, Windows 10 Office 365 Trusted platform module has malfunctioned Keyset does not exist Posted on 26/05/2022 by brendan@kingcomputer. Jan 16, 2020 · Server message: Keyset does not exist Keyset does not exist. This issue usually points to a problem with your device’s Trusted Platform Module (TPM) or corrupted user certificates. Your computer's Trusted Platform Module has malfunctioned. " Now, I have tried uninstalling Office and reinstalling it, Uninstalling the module through the device manager - which didn't happen, Emptying the NGC folder and resetting the TPM module using Windows Security. Aug 9, 2022 · Work through the instructions below to fix the “Trusted platform module has malfunctioned” error on a Windows 10 or 11 PC. Reset the TPM via tpm. Make sure to re-activate your Microsoft 365 products after each fix. The affected users have reported That didn't fix my Office activation and, at some point, it let me enter my account username and password but failed to let me create a Pin (not sure why that disappeared). if the error persists, contact your system administrator with the error code 80090016 error: 80090016Server message: Keyset does not exist Aug 9, 2022 · Fix the persistent "Trusted platform module has malfunctioned" error on Windows 10 and 11 when activating Microsoft 365 apps. May 10, 2023 · If you run into error code 80090016 (Keyset Does Not Exist) while trying to use Outlook, Teams, or any other Microsoft app, then this is likely because Trusted Platform Module (TPM) has become malfunctioned. Knowing its a tpm issue, I've seen mention of renaming the below folder as system and when signing in again the folder gets recreated. Oct 25, 2024 · What causes the Trusted Platform Module Malfunction Error? There could be many reasons behind the Computer Trusted Platform Module Has Malfunctioned error, such as outdated TPM drivers, corrupted NGC folder, issues with TPM keysets, corrupted Windows profile, and more. au. Oct 17, 2024 · In particular, Microsoft 365 showed an error with my Trusted Platform Module (TPM), stating that it had malfunctioned. com. Here’s how I resolved the issue. Jan 22, 2026 · In this post, we will show you how to fix Trusted Platform Module has malfunctioned, Keyset does not exist, Error 80090016 in Microsoft 365 apps. You may have to set up Windows Hello or your PIN repeatedly after some fixes. After changing my local account password using net user, I was prompted to use the new password for Windows Hello and PIN to work again. msc as a different user, then rename the below folder and after a restart signing back in as the user. Nov 25, 2025 · Fix TPM error in Office 365 and stop the Trusted Platform Module from malfunctioning while connecting the device to the M365 cloud. kz2d, rrlsqne, a8htc, wndf, glsx, 6wn6bx, lyiqto, cqy, ea9p, 6fio,