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With this configuration, users from Skype for Business Pools that are not enabled for two-factor authentication will not be required to enter a PIN to authenticate, while users from Skype for Business Pools that are enabled for two-factor authentication will be required to enter their PIN to authenticate. Skype for Business Service DiscoveryĭNS records used by internal and/or external clients to discover Skype for Business services should be configured to resolve to a Skype for Business server that is not enabled for two-factor authentication. Unless these authentication types are disabled at the service level, all other versions of the client will be unable to sign in successfully once two-factor authentication is enabled within in your deployment. To enable passive authentication for users, other authentication methods must be disabled for other roles and services, including these: Configuration Type

Topology RequirementsĬustomers are encouraged to deploy two-factor authentication using dedicated Skype for Business Server with Edge, Director, and User Pools. The Cumulative Updates for Lync Server 2013: July 2013 desktop client and the Skype for Business client are the only clients that currently support two-factor authentication. By comparing the user information (user name and password) to the certificate provided, the server validates the credentials and authenticates the user.Ĭonsider the following subjects when configuring a Skype for Business Server environment to support two-factor authentication. A smart card contains a certificate associated with the user account, and can be validated against user and certificate information stored on a server. This is also known as "something you have, something you know."Ī typical example of two-factor authentication with a certificate is the use of smart cards. Two-factor authentication provides improved security by requiring users to provide two forms of authentication or identification, namely a user name/password combination and a token or certificate. Summary: Manage two-factor authentication in Skype for Business Server.