Tech Alert

from Customer Engagement Services

“Your Gateway to Technology Services”

TA 23-05: Sunsetting Shared Active Directory Federation Services (ADFS)

Issue Date: May 10, 2023

Attention: All CDT Shared ADFS Customers

Action Requested: Migrate off CDT’s Shared ADFS

Effective Date: December 31, 2023


As of December 31, 2023, the California Department of Technology (CDT) is sunsetting its Shared Active Directory Federation Services (ADFS) offering to simplify authentication management and provide greater control and visibility to each department’s O365 administrators.

Action Requested

Customers currently utilizing the Shared ADFS offering must migrate off the service prior to decommission on December 31, 2023.

In order to coordinate discussions with the Shared ADFS team, current Shared ADFS customers will need to provide their CDT Customer Engagement Account Lead with an estimated migration date no later than June 16, 2023.


If you have questions or need further clarification, please contact your CDT Account Lead by using the Account Lead Directory, or by calling Customer Engagement Services at (916) 431-5390.