Exchange Server Object ID Error

I had an error with Exchange Control Panel and Windows 2016 Domain Controller: The access control entry defines the ObjectType ‘9b026da6-0d3c-465c-8bee-5199d7165cba’ that can’t be resolved.

Exchange Error

The error will be raised as you open the ECP and view the Mailbox Delegation tab of any user account. Moreover this error doesn’t appear if you have an hybrid deployment with Office 365. Read More