2003 and June 2007, 127 security flaws were identified and patched in Windows 2000 Server, many of which may also affect Windows NT 4.0 Server; however, Microsoft does not test security bulletins against unsupported software. References External links Guidebook: Windows NT 4.0 Gallery – A website dedicated to preserving and showcasing Graphical User Interfaces HPC:Factor Windows NT 4.0 Workstation Patches & Updates Guide HPC:Factor Windows NT 4.0 Server Patches & Updates Guide Josephn.net: Windows NT 4.0 Terminal Server Edition Tips & Updates MDGx: Windows NT 4.0 Essential Free Upgrades + Fixes 1996 software Products and services discontinued in 2006 4.0 IA-32 operating systems MIPS operating systems PowerPC operating systems