{"id":8482,"date":"2024-12-21T12:12:52","date_gmt":"2024-12-21T12:12:52","guid":{"rendered":"https:\/\/pariswells.com\/blog\/?p=8482"},"modified":"2024-12-21T12:12:53","modified_gmt":"2024-12-21T12:12:53","slug":"adconnect-sync-conflicts-with-proxy-address-due-to-onmicrosoft-com-email","status":"publish","type":"post","link":"https:\/\/pariswells.com\/blog\/research\/adconnect-sync-conflicts-with-proxy-address-due-to-onmicrosoft-com-email","title":{"rendered":"ADconnect Sync Conflicts with Proxy Address due to onmicrosoft.com Email"},"content":{"rendered":"\n

Unable to update this object because the following attributes associated with this object have values that may already be associated with another object in your local directory services: [ProxyAddresses smtp:xxxxxxx@xxxx.onmicrosoft.com;]. Correct or remove the duplicate values in your local directory. Please refer to http:\/\/support.microsoft.com\/kb\/2647098 for more information on identifying objects with duplicate attribute values.<\/p>\n\n\n\n

Tracking Id: 959f1a9d-f532-412c-be43-4e8873276255
ExtraErrorDetails:
\\{“Key”:”AttributeConflictName”,”Value”:[“ProxyAddresses”]},{“Key”:”AttributeConflictValues”,”Value”:[“smtp:xxx@xxxxx.onmicrosoft.com”]}]<\/p>\n\n\n\n

\"\"<\/a><\/figure>\n\n\n\n

The Microsoft Online Email Routing Address (MOERA) has the format <domain>.onmicrosoft.com and is a specific address for routing emails towards Exchange Online.<\/p>\n\n\n\n

How the proxyAddresses attribute is populated in Azure AD<\/a><\/p>\n\n\n\n

 Since the MOERA is constructed from the person’s userPrincipalName (UPN) attribute in Active Directory and is automatically assigned to the cloud account during the initial sync and once created, it cannot be modified or removed in Microsoft 365.<\/p>\n\n\n\n

Fix<\/p>\n\n\n\n