Why am I getting 404 in crossTenantIdentitySyncPolicyPartner even when I have permissions and cross-tenant exists?

Question

When I am trying to execute the following request

Invoke-RestMethod -Method Get -Headers @{Authorization = "Bearer $MSGraphToken"} -Uri "https://graph.microsoft.com/v1.0/policies/crossTenantAccessPolicy/partners/[REDACTED]/identitySynchronization"

It is giving me HTTP 404 Not Found error with following JSON body

{
  "error": {
    "code": "Directory_ObjectNotFound",
    "message": "Unable to read the company information from the directory.",
    "innerError": {
      "date": "2025-05-04T13:10:29",
      "request-id": "fe575774-3703-47b7-bb90-37f7fdd4c61d",
      "client-request-id": "fe575774-3703-47b7-bb90-37f7fdd4c61d"
    }
  }
}

It is given that partner tenant records exists in Get-MgPolicyCrossTenantAccessPolicyPartner cmdlet output and the requesting application token has Policy.Read.All permission.

Answer 1

Hello Gurkirat Singh,

The error message you're encountering:

"code": "Directory_ObjectNotFound",
"message": "Unable to read the company information from the directory."
, indicates that the specified partner tenant ID does not have an existing cross-tenant identity synchronization policy. This situation can arise due to several reasons, even if the cross-tenant relationship exists and you have the necessary permissions.
 

Check API Permissions: Ensure that your application has the required Microsoft Graph API permissions, such as Policy.ReadWrite.CrossTenantAccess.
Grant Admin Consent: If your application requires admin consent for these permissions, ensure that consent has been granted. Ensure that the tenant ID used in your requests is correct.
 

Microsoft Document-:
Configure cross-tenant synchronization using PowerShell or Microsoft Graph API - Microsoft Entra ID | Microsoft Learn 
Github Document : https://github.com/MicrosoftDocs/entra-docs/blob/main/docs/identity/multi-tenant-organizations/cross-tenant-synchronization-configure-graph.md?utm_source=chatgpt.com#symptom---directory_objectnotfound-error