Over the years, Exchange has become the most popular enterprise messaging solution, world-wide. Although many companies are running other solutions such as Lotus Notes or Zarafa, it is likely that you are already running a version of Exchange in your organization.

In the past, moving from one version of Exchange to another was sometimes a daunting task. Although an upgrade to Exchange 2013 still needs proper planning, one could argue it is less complicated than moving from Exchange 2003 to Exchange 2010. However, there is still the element of Public Folder migrations that you need to keep in mind. This is, without any doubt, one of the most challenging tasks when transitioning to Exchange 2013.

There are only a few supported "upgrade paths" to Exchange 2013. If you are still running Exchange 2003, you will need to perform a "double-hop" migration. This means that you will first have to migrate to Exchange 2007 or Exchange 2010 before you can move to Exchange 2013. This is because...