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Jun 23, 2025
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Deprecation of MS-APP-ACTS-AS header in Shifts Management Microsoft Graph APIs

In app-only access scenarios, Shifts Management Graph APIs previously required the MS-APP-ACTS-AS: userId header to indicate the user on whose behalf the application was acting. However, this conflicted with the Microsoft Graph permission model where there is no signed-in user for app-only access scenarios. To align Shifts Graph APIs with this mode...

Microsoft Graph