I’ve got a Windows 8 x64 workstation and after installing the Exchange Management Console, I could not start it. The workaround is to create a new .cmd file, insert the following code
"C:\Program Files\Microsoft\ \V14\Bin\Exchange Management Console.msc"
save it and run it.
The first line prevents the application from requiring User Account Control (UAC) elevation by ignoring the application manifest. In Windows Vista and later, an application can be coded to require UAC elevation. If you try to run it as a non-administrator, you get asked for an administrator username and password, and if you don’t provide them the application doesn’t start.