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)
Policy.ReadWrite.CrossTenantAccess
Not available.
Delegated (personal Microsoft account)
Not supported.
Not supported.
Application
Policy.ReadWrite.CrossTenantAccess
Not available.
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.
Teams Administrator - excluding identity synchronization settings
Security Administrator
HTTP request
POST /policies/crossTenantAccessPolicy/default/resetToSystemDefault
If successful, this action returns a 204 No Content response code. To confirm that the default configuration has been restored to the system defaults, run Get crossTenantAccessPolicyConfigurationDefault and confirm that isSystemDefault is set to true.
POST https://graph.microsoft.com/v1.0/policies/crossTenantAccessPolicy/default/resetToSystemDefault
// 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.Policies.CrossTenantAccessPolicy.Default.ResetToSystemDefault.PostAsync();
// 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.Policies().CrossTenantAccessPolicy().Default().ResetToSystemDefault().Post(context.Background(), nil)
// Code snippets are only available for the latest version. Current version is 6.x
GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);
graphClient.policies().crossTenantAccessPolicy().defaultEscaped().resetToSystemDefault().post();
<?php
use Microsoft\Graph\GraphServiceClient;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$graphServiceClient->policies()->crossTenantAccessPolicy()->escapedDefault()->resetToSystemDefault()->post()->wait();
# 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.policies.cross_tenant_access_policy.default.reset_to_system_default.post()