Failed to import mail enabled folders because objects with duplicate PrimarySmtpAddress were found in the input file. That indicates a misconfiguration on your Exchange deployment. After fixing the problem, you can rerun the script Export-MailPublicFoldersForMigration.ps1 on your Exchange server, followed by the script Import-MailPublicFoldersForMigration.ps1 on Exchange Online to update mail enabled folders in Active Directory.
Failed to generate Offline Address Book '{0}'. This could be due to the Mailbox Assistants Service not running on server ...
Failed to generate Offline Address Book '{0}'. This could be due to the System Attendant Service not running on server '{1}' ...
Failed to generate the content of the Offline Address Book '{0}'. Check that there is at least one Organization Mailbox configured ...
Failed to get valid Active Directory information for the calling account. Confirm that it is a valid Active Directory account. ...
Failed to import mail enabled folders because objects with duplicate PrimarySmtpAddress were found in the input file. That ...
Failed to load the password xml file {0}. Check the file format, or rename the file to force the creation of a new one. Error: ...
Failed to look up the Windows site to which this computer belongs. Verify that your computer and the domain controller designated ...
Failed to modify the MAPI.NET table property of the object "{0}" on server "{1}". See inner exception for more information. ...
Failed to obtain a list of naming contexts from domain controller %s. Verify that you have sufficient permissions to access ...