USBDLM V5.6.1 - USB Drive Letter Manager for Windows
No matter what users access, USBDLM V5.6.1 is a Windows service that controls USB drive letter work. It assigns new default letters, fixes USB and network drive conflicts, and provides a plethora of customization options based on multiple criteria. Compatible with Windows XP through Windows 11 and Server 2003 through 2022, it resolves common problems like network share conflicts resulting in invisible drives. The USBDLM.ZIP file must be unzipped, the USBDLM.INI file must be configured, and the service must be registered. The most recent version of USBDLM contains bug fixes as well as new features like improved drive letter criteria for VHD containers and Half-Dark mode.
Overview:
- Manages USB drive letter assignments.
- Runs as a Windows service, independent of user privileges.
- Resolves conflicts between USB and network drives.
- Allows custom default drive letters based on various criteria.
- Compatible with Windows XP to Windows 11 and Server 2003 to 2022.
Table of Contents
Features of USBDLM
- Checks if a drive letter is used by a network share and assigns the next available letter.
- Reserve letters to prevent use by local drives.
- Assigns letters based on criteria such as active user, drive type, connection, USB port, volume label, size, etc.
- Extracts letters from volume labels.
- Assign letters for specific USB drives using an INI file.
- Removes drive letters of card readers until a card is inserted.
- Shows a balloon tip with the assigned drive letter(s).
- Defines autorun events based on multiple criteria.
- Provides basic protection against 'BadUSB' devices.
- Applies functions when drives are attached, service starts, or a user logs on.
What's new
Latest History (V5.6.1 - 2 June 2024):
- Bugfix: Permanent CPU load issue since V5.6.
- New: Half-Dark mode for UsbDriveInfo.
Previous Updates (V5.6.0 - 21 Feb 2024):
- Bugfix: Blurry balloon tip icons at 125% Windows display scale.
- Bugfix: Criteria VolumeLabel issue on ReFS formatted drives.
- Bugfix: UsbDriveInfo crash with unwritable UsbDriveInfo.ini.
- Bugfix: Small font in UsbDriveInfo's right pane on high DPI with older INI versions.
- New: Criteria Container for drive letters based on VHD container.
- New: Variables "ContainerPath" and "ContainerFile" for VHD container in mount-points or balloon-tips.
- New: UsbDriveInfo option to show hidden volumes.
How to use it?
- Unzip USBDLM.ZIP to "C:\Program Files(X86)" (includes a USBDLM folder).
- Execute _edit-ini.cmd to create/open the USBDLM.INI configuration file.
- Register and start USBDLM as a Windows service by executing _service_register.cmd.
- Change USBDLM.INI settings without restarting the service (checked on each drive attachment).
- Deregister the service using _service_deregister.cmd.
- Use USBDLM command-line parameters for silent registration/deregistration:
USBDLM -silentregisterUSBDLM -silentderegister- Returns Errorlevel 0 on success, 1 on failure.
- Stop and start the service with _service_stop.cmd and _service_start.cmd, or use "net stop USBDLM" / "net start USBDLM".
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