High Quality Content by WIKIPEDIA articles! The Logical Disk Manager (LDM) is an implementation of a logical volume manager for Microsoft Windows NT, developed by Microsoft and Veritas Software. It was introduced with the Windows 2000 operating system, and is supported in Windows XP, Windows Server 2003, Windows Vista and Windows 7. The MMC-based Disk Management snap-in (diskmgmt.msc) hosts the Logical Disk Manager.