Users receive an "object couldn't be found" error and can't configure Out of Office messages in OWA or ECP

Kehtib: Exchange Server 2016 Enterprise EditionExchange Server 2016 Standard Edition


Consider the following scenario:

  • You have an Active Directory Domain Services (AD DS) multi-domain environment.
  • In this environment, Active Directory user accounts are located in a different AD domain than the AD domain in which Microsoft Exchange Server 2016 is installed. For example, Exchange Server 2016 is installed in and user accounts are located in
In this scenario, users can't configure an Out of Office (OOF) message from within Microsoft Outlook Web App or the Exchange Control Panel (ECP).

Additionally, users receive the following error message:

The operation couldn't be performed because object
'' couldn't be found on


To work around this problem, revert to the classic ECP user interface. To do this, Use follow these steps:

  1. Log in to ECP.
  2. On the Options menu, expand Mail, and then click Other.

  3. Click Go to the earlier version.


Microsoft is researching this problem and will post more information in this article when the information becomes available.