Unenroll meeting registrant

Namespace: microsoft.graph


APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Cancel an onlineMeeting registration for a meetingRegistrant on behalf of the registrant.

Only use this method when the allowedRegistrant property of the meetingRegistration object has a value of organization and the registrant's delegated permission was used to enroll. When the allowedRegistrant value is everyone, registrants can only use the link in the email they receive to cancel their registration.

This API is available in the following national cloud deployments.

Global service US Government L4 US Government L5 (DOD) China operated by 21Vianet


Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type Least privileged permissions Higher privileged permissions
Delegated (work or school account) OnlineMeetings.ReadWrite Not available.
Delegated (personal Microsoft account) Not supported. Not supported.
Application OnlineMeetings.Read.All OnlineMeetings.ReadWrite.All

HTTP request

DELETE /users/{userId}/onlineMeetings/{meetingId}/registration/registrants/{id}


  • userId is the objectID of the meeting organizer.
  • meetingId is the id of an onlineMeeting object.

Request headers

Name Description
Authorization Bearer {token}. Required.

Request body

Don't supply a request body for this method.


If successful, this method only returns a 204 No Content response code.



DELETE https://graph.microsoft.com/beta/users/16664f75-11dc-4870-bec6-38c1aaa81431/onlineMeetings/MSpkYzE3Njc0Yy04MWQ5LTRhZGItYmZ/registration/registrants/gWWckDBR6UOI8_yzWCzeNw,6pAAiSU1bkGqc8soJZw5Pg,3aMJxgQBxEufdo7_Qube_w,YgKy1Rtx-0SFjRbv-ww1ag,Cuzk8JP_iTTWqCOyVcalVA


HTTP/1.1 204 No Content