MapiExceptionTooComplex

As I am working toward decommissioning Exchange 2010, someone who has a mailbox in Exchange Online (EXO) was having an issue with staying connected to an on premises shared mailbox using Outlook. I proposed moving it to EXO to address the issue. While onboarding the mailbox to EXO, the move gave me an error that…

Exchange Online migration performance and best practices

Source: https://technet.microsoft.com/library/dn592150(v=exchg.15).aspx Applies to: Exchange Online, Exchange Server, Exchange Server 2013 Topic Last Modified: 2015-06-04 There are many paths to migrate data from an on-premises email organization to Exchange Online in Office 365. When planning a migration to Exchange Online, a common question is about how to improve the performance of data migration and optimize…

Exchange Public Folder Migrations with MigrationWiz

Updated on 17 August 2016 Last month, I was in search of a method to migrate public folders from Exchange 2013 hybrid deployment to Office 365.  My research proved fruitless as there are plenty of articles available for Exchange 2007/2010 to Office 365 public folder migrations but nothing for 2013 to Office 365.  Queries were sent…