Outlook 2016 won’t autodiscover, TPM error

24th September 2021

Scenario: Outlook 2016 on a new laptop won’t autodiscover

the laptop that we encountered this on, was pre-configured at HQ and lost its brains when moved to the client office.

The error message we received was

Your computer’s Trusted Platform Module has malfunctioned

Error code: 80090016

Keyset does not exist

HKCU\SOFTWARE\Microsoft\Office\16.0\Common\Identity\
REG_DWORD 
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source: https://answers.microsoft.com/en-us/msoffice/forum/all/keyset-does-not-exist-outlook-throw-an-error-if-i/4205d705-10ca-4dbf-acca-a851c45bd212