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My postman request errors-out with status: 401 Unauthorized and "error_description": "proper client ssl certificate was not presented".

I have confirmed in both MMC and MS Edge that ADP certificate is installed - it shows-up in a list of certificates. The status of certificate reads - "This certificate is OK", "Windows does not have enough information to verify this certificate".

Can this cause the Postman error? What else should I pay attention to?

I'm following Making Your First API Call Using Postman directions and trying to request a bearer token from ADP.

Sasha
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