Getting Started

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Supported Operating Systems

  • Windows XP Professional with Service pack 3 or higher
  • Windows XP Professional with Service Pack 2, Windows Installer 3.1, and kb926255 Windows Updates installed
  • Windows Vista


The following must be installed for DLS-IV to operate.

1) Microsoft .NET Framework v3.5 SP1

2) Microsoft SQL Express 2005 SP3

3) Microsoft Visual C++ 2008 Runtime (x86)

During the installation process, DLS IV will detect any missing applications and will automatically install them for you. However, to speed the DLS-IV installation process or if you are having trouble with the automated installation of prerequisites, these applications may be installed manually by the user before starting the DLS IV installation. They must be installed in the order listed below.

1) Windows Installer v3.1 -

2) Microsoft .NET Framework v3.5 SP1 -

3) Microsoft SQL Express 2005 SP3 -

4) Microsoft Visual C++ 2008 Runtime (x86) -

Any critical updates to these prerequisites should be installed via Windows Update.

Minimum System Requirements

To support the prerequisites for DLS-IV the following system requirements need to be met:

  • Processor: 600-megahertz (MHz) Pentium III-compatible or faster processor; 1-gigahertz (GHz) or faster processor recommended
  • RAM: 1GB of System Memory
  • Hard Disk: Up to 1 GB of available space may be required.

Note: DLS is only 40MB, additional hard disk space may be required for prerequisites.

  • CD or DVD Drive: Not required
  • Display: 1024 x 768 high color, 32-bit (Recommended)


Download the DLS IV Updater from The DSC homepage


DLS IV is built with tomorrow in mind. It runs on Microsoft's powerful .NET Framework 3.5 and MSSQL Express database engine. If you do not currently have these software packages installed, the DLS IV installer will automatically download the latest version directly from for you, and install them without any unnecessary intervention from you, the user.

The installation process begins with the DLS IV Updater. This updater will manage the rest of the installation process for you, and will provide updates in the future as DSC rolls out additional driver packs and feature updates.

Here's a brief rundown of the installation steps you'll see:

1. Install the DLS IV Updater

2. DLS IV Updater installation will check for prerequisite applications (VC++ Runtime, .NET Framwork 3.5 and MSSQL Express)

3. If missing, .NET Framework 3.5 will be downloaded directly from and will be automatically launched

4. If missing, MSSQL Express will be downloaded directly from and will be automatically launched

5. If missing, Visual C++ Runtime components will be downloaded directly from and will be automatically launched

6. The DLS IV Updater will launch and display the latest available DLS IV products. Choose the DLS IV Engine and any of the available driver packs you need.

7. The selected components will be downloaded directly from the DSC FTP site, and will be installed.

8. Close the DLS IV Updater software and start using DLS IV.


The default administrator username/password for DLS IV is: Username = admin Password = 1234 It is strongly recommended that you change the Administrator's password immediately after installing. The default username/password for earlier DSC downloading products is supported, but it is limited to "User" priveleges, it is not an "Administrator" account. Username = DSC Password = 1234

Uninstall DLS-IV

Uninstall DLS-IV

To remove DLS-IV from your computer, go to Start --> All Programs --> DSC --> DLS IV --> Uninstall DLS IV

You will be prompted if you wish to uninstall DLS IV. Enter Y to continue the uninstall.

Uninstall DLS Updater

To remove DLS-IV Updater from your computer, go to Start --> Settings --> Control Panel

In Control Panel choose Add or Remove Programs (or Programs and Features for safe uninstallation in Vista). In the Add or Remove Programs menu highlight DLS Update Serviceand Select Remove. When prompted if you would like to remove the Updater from your computer, select Yes.

Uninstalling the prerequisites

If you wish to remove Microsoft .Net Framework and/or Microsoft SQL Server 2005 and components from your computer, please refer to the official Microsoft guidelines for uninstalling these software packages.