define autorun events depending on many different criteria.show a balloon tip with the assigned drive letter(s).remove the drive letters of card readers until a card is inserted.assign letters for a specific USB drive by putting an INI file on the drive.assign a letter from a list of new default letters, also dependent on many different criteria as the active user, drive type, connection (USB, FireWire), USB port, volume label, size and others.reserve letters, so they are not used for local drives.check if the letter is used by a network share of the currently logged on user and assign the next letter that is really available.You can change the letter assignments in the Windows Disk Management Console with a lot of mouse clicks but you have to do it again for every new device.Īnd, for USB devices that have no serial number (in violation of the USB standards) you have to do it too when you attach it to a different USB port. The USB drive then appears to be invisible. If there is a network share on this letter, Windows XP will use it anyway for the new USB drive because since XP network shares are specific to the current user and not visible in the context of the system where the letter is assigned. When a removable drive (USB flash drive, flash card reader, portable hard drive) is attached for the first time, Windows mounts it to the first available 'local' drive letter. Here are some tips for solving problems with USB drives. If Windows has problems with USB drives then USBDLM cannot fix it. It automatically solves conflicts between USB drives and network or subst drives of the currently logged on user.įurthermore you can define new default letters for USB drives and much more. Running as service makes it independent of the logged on user's privileges, so there is no need to give the users the privilege to change drive letters. USBDLM is a Windows service that gives control over Windows' drive letter assignment for USB drives.

This page is available in German language too

USBDLM V4.7.3.2 - USB Drive Letter Manager for Windows

USB Drive Letter Manager 5.5.11 instal