Shared folder not visible in Virtual Box machine

If you find that your shared folder is not visible as a drive in  your virtual box virtual machine, just fire off the following command inside the virtual machine after which your folder will be accessible along with your other driver:

Assuming you have shared a folder called ABC.

Open a command prompt in the virtual box machine and type in:

net user z: \\vboxsvr\ABC

 And it will say "The command completed successfully" and you have your folder!