Windows Server 2003 was released by Microsoft in 2003, and its startup sound became familiar to IT workers, office users and home enthusiasts who used older Windows systems. Over time, the chime spread beyond its original context through uploads, remixes and retro computing videos. It still shows up in memes because it instantly evokes booting a classic PC, corporate tech culture and the look and feel of early 2000s desktops. That mix of calm audio and specific era recognition keeps it recognizable years later.