| Subject | English | Korean |
| comp., MS | legacy agent | 레거시 에이전트 (Any agent version that is older than MOM 2004) |
| comp., MS | legacy application | 레거시 응용 프로그램 (When used in the context of the User Account Control (UAC) infrastructure, an application that does not have an application manifest that indicates whether or not an administrative privilege is required for the application to run properly) |
| comp., MS | Legacy Client | 레거시 클라이언트 (An SMS 2003 (or earlier) client type supported on Windows operating systems released prior to the Windows 2000 family of operating systems) |
| comp., MS | legacy device | 레거시 장치 (A device that does not use (PCI), (USB), 1394, or later physical interconnect, but is fully (PnP) compliant. A legacy device cannot be configured or managed by using either mechanisms or PnP methods to specify resource configurations) |
| comp., MS | legacy network adapter | 레거시 네트워크 어댑터 (A virtual network adapter that emulates a specific physical network adapter, the multiport DEC 21140 10/100TX 100 MB. A legacy network adapter also supports network-based installations because it includes the ability to boot to the Pre-Execution Environment (PXE boot)) |
| IT | legacy system | 레거시 시스템 |