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microsoft app intigration

Vikas Chavan 20 Reputation points
2026-01-07T09:20:58.6466667+00:00

We have created an app in Azure App Registration for Outlook Calendar integration with the following API permissions: Calendars.Read and Calendars.ReadWrite. The app is configured as a web application that connects to Outlook using a client secret from the web application to synchronize calendars between the web app and Outlook.

However, when a user tries to configure their Outlook email address (from a different domain) in the web app for calendar synchronization, an admin approval consent popup is displayed. Even after submitting the approval request, our admin does not receive any notification for approval.

Microsoft Security | Microsoft Entra | Microsoft Entra ID

Answer accepted by question author

Rukmini 42,850 Reputation points Microsoft External Staff Moderator
2026-01-07T10:17:43.77+00:00

Hello Vikas Chavan,

As discussed offline, the issue is because of the wrong authorize Endpoint(common) in the request.

As tested changing the endpoint to https://login.microsoftonline.com/organizations/oauth2/v2.0/authorize resolved the issue.

If the resolution was helpful, kindly take a moment to click on 210246-screenshot-2021-12-10-121802.pngand click on Yes for was this answer helpful. And, if you have any further query do let us know.

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