The good news is also that it has no effect. :)
You can verify this for yourself by grepping the Visual Studio headers for VC_EXTRALEAN and WIN32_EXTRA_LEAN.
> VC_EXTRALEAN defines WIN32_LEAN_AND_MEAN and a number of NOservice definitions, such as NOCOMM and NOSOUND.
> https://gamedev.net/forums/topic/367942-win32_lean_and_mean-...
The good news is also that it has no effect. :)
You can verify this for yourself by grepping the Visual Studio headers for VC_EXTRALEAN and WIN32_EXTRA_LEAN.