Delete phoneAuthenticationMethod

Namespace: microsoft.graph

Delete a user's phone authentication method. This removes the phone number from the user and they'll no longer be able to use the number for authentication, whether via SMS or voice calls.

A user can't 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 multi-factor authentication (MFA) authentication method, it can't 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

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

Here's an example of the request.

HTTP

DELETE https://graph.microsoft.com/v1.0/me/authentication/phoneMethods/3179e48a-750b-4051-897c-87b9720928f7

C#

// Code snippets are only available for the latest version. Current version is 5.x

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
await graphClient.Me.Authentication.PhoneMethods["{phoneAuthenticationMethod-id}"].DeleteAsync();

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

CLI

mgc users authentication phone-methods delete --user-id {user-id} --phone-authentication-method-id {phoneAuthenticationMethod-id}

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Go

// Code snippets are only available for the latest major version. Current major version is $v1.*

// Dependencies
import (
	  "context"
	  msgraphsdk "github.com/microsoftgraph/msgraph-sdk-go"
	  //other-imports
)


// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
graphClient.Me().Authentication().PhoneMethods().ByPhoneAuthenticationMethodId("phoneAuthenticationMethod-id").Delete(context.Background(), nil)

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Java

// Code snippets are only available for the latest version. Current version is 6.x

GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);

graphClient.me().authentication().phoneMethods().byPhoneAuthenticationMethodId("{phoneAuthenticationMethod-id}").delete();

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

JavaScript

const options = {
	authProvider,
};

const client = Client.init(options);

await client.api('/me/authentication/phoneMethods/3179e48a-750b-4051-897c-87b9720928f7')
	.delete();

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

PHP

<?php
use Microsoft\Graph\GraphServiceClient;


$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);


$graphServiceClient->me()->authentication()->phoneMethods()->byPhoneAuthenticationMethodId('phoneAuthenticationMethod-id')->delete()->wait();

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

PowerShell

Import-Module Microsoft.Graph.Identity.SignIns

# A UPN can also be used as -UserId.
Remove-MgUserAuthenticationPhoneMethod -UserId $userId -PhoneAuthenticationMethodId $phoneAuthenticationMethodId

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Python

# Code snippets are only available for the latest version. Current version is 1.x
from msgraph import GraphServiceClient
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python

await graph_client.me.authentication.phone_methods.by_phone_authentication_method_id('phoneAuthenticationMethod-id').delete()

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Response

Here's an example of the response.

HTTP/1.1 204 No Content