OIE Upgrade Blocker for Office 365 Single Sign-Out
May 12, 2026
Administration
Okta Classic Engine
Okta Identity Engine
Overview
The following reconfiguration has been identified as part of the preparation needed to perform the upgrade to Okta Identity Engine (OIE).
NOTE: Additional Okta features may require reconfiguration or be disabled in order to complete the upgrade. This feature signs out the end user from OKTA when the user signs out from AAD.
Applies To
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Okta Identity Engine Upgrades
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Office 365
Cause
This feature is incompatible with OIE. There are no plans/roadmap of supporting this capability in the OIE framework due to the low customer adoption.
Solution
Disable the OFFICE365_SINGLE_SIGNOUT feature flag directly in the OIE Upgrade Hub before scheduling the upgrade.
