Windows OMV

Windows Codename Delta is codename of Windows OMV. It is also known as Windows OMV, due to name. It is a successor of Windows 2000 Datacenter Server. As for OMV

"Seven"
During development of Windows NT 5.0 Microsoft made a deal with Rosie Inc. to make their OS together.

In late 1996, they created the Windows codename: Seven build 7777.7, witch is updated version of Windows 5.0 Beta 1. It introduced logon screen, firewall, and Internet Explorer 5.7. However, the project proved to be too ambitious. They combine Windows Nashville and Windows codename Seven to form Windows Codename: Antarctica in 1997.

"Antarctica"
In 1997, Windows Antarctica was formed, and planned to be released in 1999. However,due to builds of Windows 2000 (NT 5.0), witch EUR edition was released three days before first build of Beta 3), it is updated. Build 1111.1

"Delta"
Five days after the release of Windows 2000, Windows Antarctica was renamed to Windows Codename Delta by adding Windows 2000 Datacenter features to the Windows NT 5.0 EUR features and Windows Antarctica features. On build 2002.0 there was a debate when is this actual pre-alpha of Windows OMV or post RTM build of Windows 2000 Datacenter Server. At WinHEC in April 2000, Microsoft officially announced and presented an early build of Delta, focusing on a new modularized architecture, built-in CD burning, fast user switching, and updated versions of the digital media features introduced by ME. At build 2022.9 it introduced white version of Windows Standard, later to be known as "Prototype". Build 2034.6 introduced new startup and shutdown sounds. The startup sound is reversed Windows NT 5.0 EUR startup. The shutdown sound is chime witch turned intro Windows 98 startup sound,ending with it's RTM shutdown sound. The logon sound is Windows CE startup and the logoff sound is Windows NT 5.0 EUR shutdown sound. It also introduced updated version of 98 error,notify and ding. It also introduced new sound: balloon sound(also introduced balloon). Developer release was released in March 9 2000, build 2143.9. Alpha version was released in June 5 2000,build 2222.2. Technical Beta was released in July 8 2000,build 2255.6. Beta 1 was released in May 13 2001, build 2311.5. Beta 2 was released in June 31 2001, build 2400.0. Beta 2.5 was released in September 1 2001, build 2419.8. Beta 2.5.7 was released in September 10 build 2428.5. Then Windows Delta will be known as Windows OMV.

"OMV"
On October 3 2001, Windows OMV Beta 2.7 was released, build 2430.1. Beta 2.9 was released in October 10 2001, build 2500.0. Beta 3 was released in October 29 2001, build 2533.8. Final Beta Release was released in November 23 2001, build 2540.4. Release Preview was released in December 9 2001, build 2555.5. Release Candidate 0 was released in December 13 2001, build 2560.9. Release Candidate 1 was released in December 22,2001,build 2575,9. Release Candidate 2 was released in December 28 2001, build 2590.6. Pre-RTM build of Windows OMV was released in January 3 2002 build 2591.3. RTM of Windows OMV was released in January 10 2002,build 2593.5. General availability of Windows OMV was released in January 19 2002 ,build 2595.7. Release to web of Windows OMV was released at January 24 2002,build 2499.1. Windows OMV officially released at February 2 2002, build 2600.0.