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On Monday, the University's transition to the Central Authentication Service and two-factor authentication was successfully completed for all online Princeton services. On Monday morning, University Chief Information Security Officer Dan Sherry sent an email outlining the change to University students, faculty, and affiliates.

Sherry could not be reached for comment by time of publication.

This change to the University's login processes will affect the interface and methods through which many online University systems are accessed. Duo authentication changes were first announced in April 2017 and were implemented on May 8, 2017, paving the way for Monday's full transition.

The following applications have been affected by the change: PeopleSoft HR and Student Administrative System, HR Self Service, TigerHub, PeopleSoft Prime Financials, Information Warehouse, Labor Accounting, Prime portal, Marketplace, Concur, and eShip global.

These applications, in addition to Blackboard, will now universally require two-factor authentication.

Most visibly, Central Authentication Service login and logout screens will replace current PUaccess screens. These CAS login screens have been enhanced to improve accessibility.

Users will now receive two prompts when logging in to University applications and Blackboard.  As usual, users will be prompted to enter their Princeton University netID and password. Now, though, a second prompt will follow. This prompt will call for the users to authenticate their logins through a second Duo-enrolled device, such as a smartphone or tablet.

In his email, Sherry encouraged students to contact the Support and Operations Center at 258-4357 (8-HELP) or at with any questions or concerns. 

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