Error: A dynamic link library DLL (MSExchangePS64.dll) initialization routine failed

Error

The error “A dynamic link library DLL (MSExchangePS64.dll) initialization routine failed” appears when attempting to setup an MS-Exchange 2013 backup

Cause

This is caused by the .NET 3.5 framework not being installed on the system.

Resolution

Install .NET 3.5 via the “Roles and Features” of Windows Server 2012.