If approval is required, and your IT admin has approved, yet you still get the "Approval required" prompt,

Follow below to fix the issue


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Allow user consent for apps

1. Sign into https://entra.microsoft.com/
2. Go to Azure Active Directory > Enterprise Applications > Consent and Permissions.
3. In User consent settings, select one of the following:
      -  Select Allow user consent for apps
  - Select Allow user consent for verified publishers
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if using Allow user consent for apps from verified publishers, go to Consent and permissions page.

Make sure the following permissions exists or you need to add:
    - Microsoft Graph - Calendars.Read
    - Microsoft Graph - Calendars.Read.Shared
    - Microsoft Graph - Calendars.ReadBasic
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You should be good to go. 😃

It may take up to 15 minutes to propagate the issue.
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Another option is to temporarily use Allow user consent for apps, to get the user connected, and switch back to  Allow user consent for verified publishers.
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