The user's mailbox has already been migrated.

By: Ashley Printer Friendly Format    


If you are getting this eror while migrating your mailbox to office 365 or Live Edu in the cloud then one of the following could solve your issue.

If you run a new migration batch, in the CSV file, remove the rows for mailboxes that have already been migrated.



Most Viewed Articles (in Office365 )

Email limits and message limitations in Office 365

Change primary e-mail address of a Office 365 user or group

Making your Alias email as 'Send As' in Office 365

365 office login (office 365 login)

Comparison: SharePoint Online Plan 1 vs SharePoint Online Plan 2

An Outlook Live mailbox wasn't found for the user.

Myths about Directory Synchronization in Office 365

Migrating SharePoint WSS2.0 site to SharePoint Online and Backup the SharePoint Online

What is Ofice 365 Home Premium

Change Dirsync synchronization frequency

Outlook Live couldn't connect to the IMAP server.

How to configure Outlook in a staged migration of Office 365

Configure IIS as SMTP relay server for Office 365

Is autodiscover CNAME a must in Office 365

Error: "the current user is required to be a builtin\administrator directory sync - Office 365 Directory Sync

Latest Articles (in Office365)

Comment on this tutorial