

Run the following cmdlet: Get-Mailbox -arbitration |fl PrimarySMTPAddress

Open the Exchange Management Shell on the on-premises Exchange 2013 server or Exchange 2010 server. Verify that you're experiencing this issue: This causes the default SMTP address on the federated arbitration mailbox to use a domain that can't obtain a delegation token. This issue occurs if the email address policy has a default domain that isn't a federated domain. The user receives the following error message in Outlook on the web:ĮxceptionException type: System.NullReferenceException Exception message: Object reference not set to an instance of an object. #Ī user who has a cloud-based archive can't access mail in Outlook or Outlook on the web (formerly known as Outlook Web App ). UserWithoutFederatedProxyAddressException: User doesn't have any SMTP proxy address from a domain that is federated. When on-premises users try to send mail to a user who has a cloud-based archive, they receive a nondelivery report (NDR) that contains the following error message:ĥ54 5.2.0 :UserWithoutFederatedProxyAddressException įailed to process message due to a permanent exception with message User doesn't have any SMTP proxy address from a domain that is federated. You experience the following symptoms in a hybrid deployment of on-premises Microsoft Exchange Server and Exchange Online in Office 365: For more information, see Office 365 Hybrid Configuration wizard for Exchange 2010. Instead, use the Office 365 Hybrid Configuration wizard that's available at Office 365 Hybrid Configuration wizard. Therefore, you should no longer use the old Hybrid Configuration wizard. The Hybrid Configuration wizard that's included in the Exchange Management Console in Microsoft Exchange Server 2010 is no longer supported.
