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July 29, 2026

Using User Principal Name for Certificate Authentication in Omnissa Access

When you configure certificate authentication in Omnissa Access, you can use certificate mapping in Active Directory. Certificate and smart card log ins use the user principal name (UPN) from Active Directory to validate user accounts. The Active Directory accounts of users attempting to authenticate in the Omnissa Access service must have a valid UPN that corresponds to the UPN in the certificate.

You can configure the Omnissa Access service to use an email address to validate the user account if the UPN does not exist in the certificate.

You can also enable an alternate UPN type to be used.

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