If you find yourself migrating from Microsoft Exchange 2010 to Microsoft Exchange 2016, you should take the time to research and plan your migration before beginning. Every installation is different, including the circumstances and the original installation of Microsoft Exchange 2010 itself. As I recently began one of these migrations for a customer myself, I found the following links very helpful.
If you are migrating, I recommend reading the following articles :
Exchange 2010 SP3 Update Rollup 11 released and installation tips (Oxford SBS Guy)
Migrating a Small Organization from Exchange 2010 to Exchange 2016 (TechGenix)
Step by Step Guide for Migrating Exchange Server (Kernel Data Recovery)