"Provisioning "Subscription" for APS application Office 365" task fails:
"code": 500, "message": "GRAPH API Error: Another object with the same value for property proxyAddresses already exists.",
This behavior has been reported to Odin Development team as request #APSA-19112: "GRAPH API Error: One or more properties contains invalid values" in order to avoid provisioning errors.
In fact, two or more customer's users on the Microsoft Cloud side has the same
ProxyAddresses property value filled.
It could be checked using the following cmdlet:
PS C:\> Get-MsolUser -TenantId 32e9e-...-bc4b9c -UserPrincipalName firstname.lastname@example.org | select Objectid,ProxyAddresses | fl
AD Synchronization feature is enabled on the MOP side for affected - this property cannot be modified manually.
Please contact email@example.com or TAM to trace the status of the issue.
In order to apply workaround for this case try to contact end customer in order to modify the
ProxyAddresses property of the affected user in their local Active Directory catalog.