In this post, you’ll learn more about the Error SEC_E_PKINIT_NAME_MISMATCH – 0x8009033D that is returned when working with the COM-based APIs in Win32
Win32 COM Error
SEC_E_PKINIT_NAME_MISMATCH – 0x8009033D
Win32 COM Error Error Description
The client certificate does not contain a valid UPN, or does not match the client name in the logon request. Please contact your administrator.