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Delete phoneAuthenticationMethod

Namespace: microsoft.graph

Important

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.

Delete a user's phone authentication method.

Note: This removes the phone number from the user and they will no longer be able to use the number for authentication, whether via SMS or voice calls.

Remember that a user may not have an alternateMobile number without a mobile number. If you want to remove a mobile number from a user that also has an alternateMobile number, first update the mobile number to the new number, then delete the alternateMobile number.

If the phone number is the user's default Azure multifactor authentication (MFA) authentication method, it cannot be deleted. Have the user change their default authentication method, and then delete the number.

This API is available in the following national cloud deployments.

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

Permissions

One of the following permissions is required to call this API. To learn more, including how to choose permissions, see Permissions.

Permissions acting on self

Permission type Permissions (from least to most privileged)
Delegated (work or school account) UserAuthenticationMethod.ReadWrite
Delegated (personal Microsoft account) Not supported.
Application Not supported.

Permissions acting on other users

Permission type Permissions (from least to most privileged)
Delegated (work or school account) UserAuthenticationMethod.ReadWrite.All
Delegated (personal Microsoft account) Not supported.
Application UserAuthenticationMethod.ReadWrite.All

Important

In delegated scenarios with work or school accounts where the signed-in user is acting on another user, they must be assigned a supported Microsoft Entra role or a custom role with a supported role permission. The following least privileged roles are supported for this operation.

  • Authentication Administrator
  • Privileged Authentication Administrator

HTTP request

Delete your own phone authentication method.

DELETE /me/authentication/phoneMethods/{phoneMethodId}

Delete your own or another user's phone authentication method.

DELETE /users/{id | userPrincipalName}/authentication/phoneMethods/{phoneMethodId}

The value of phoneMethodId corresponding to the phoneType to delete is one of the following:

  • b6332ec1-7057-4abe-9331-3d72feddfe41 to delete the alternateMobile phoneType.
  • e37fc753-ff3b-4958-9484-eaa9425c82bc to delete the office phoneType.
  • 3179e48a-750b-4051-897c-87b9720928f7 to delete the mobile phoneType.

Request headers

Name Description
Authorization Bearer {token}. Required. Learn more about authentication and authorization.

Request body

Don't supply a request body for this method.

Response

If successful, this method returns a 204 No Content response code. It doesn't return anything in the response body.

Examples

Request

The following example shows a request.

DELETE https://graph.microsoft.com/beta/me/authentication/phoneMethods/3179e48a-750b-4051-897c-87b9720928f7

Response

The following example shows the response.

HTTP/1.1 204 No Content