Windows Codename Everest may be an alternate version of Windows Vista Beta 1.
History[]
Microsoft wanted to release Longhorn as quickly as possible, and in the middle of Project Reset, Microsoft created a "new" Longhorn, codenamed Everest.
Builds[]
Build 3990[]
This build of Everest is a mystery, because it was a Longhorn Server build for BetaTesters. It was never leaked.
Build 4019[]
This build was leaked on January 2007. It was Windows XP running on Neptune code.