How to modify grub.cfg in Red Hat Enterprise Linux 7 so that grub2 detects Windows Installation ?

Solution Verified - Updated -

Issue

  • How to modify grub.cfg in Red Hat Enterprise Linux 7 so that grub2 detects Windows Installation ?
  • Grub does not list Windows as an option to boot from in Red Hat Enterprise Linux 7.

Environment

  • Red Hat Enterprise Linux 7
  • Microsoft Windows 7 installation
  • Microsoft Windows 8 installation
  • Microsoft Windows 10 installation
  • Dual booting

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