SIRIS, ALTO, and NAS: Datto Windows Agent: Error: “Install of the Datto Bus Driver Failed. Uninstall and Run the Install Again.”



Datto Windows Agent install fails with, "Install of the Datto Bus Driver failed. Uninstall and run the install again."


  • Datto Windows Agent (DWA)


Uninstall and reinstall the Datto Windows Agent. If this does not resolve the issue, manually install the Datto Bus Driver.

1. In Windows, open Computer Management → Device Manager.

mceclip0.pngFigure 1: The Device Manager (click to enlarge)

2. Click in the main window, then click Action → Add legacy hardware.

mceclip2.pngFigure 2: Add Legacy Hardware (click to enlarge)

3. The Add Hardware Wizard will open. Click Next.

mceclip17.pngFigure 3: Add Hardware Wizard (click to enlarge)

4. Click Install the hardware that I manually select from a list (Advanced).

mceclip6.pngFigure 4: Install the hardware manually from a list (click to enlarge)

5. Choose Show All Devices, then click Next.

mceclip12.pngFigure 5: Show All Devices (click to enlarge)

6. Click Have Disk.

mceclip13.pngFigure 6: Select the device driver you want to install for this hardware (click to enlarge)

7. In the Install From Disk window, click Browse.

mceclip14.pngFigure 7: Install From Disk (click to enlarge)

8. Navigate to C:\Program Files → Datto → Drivers.

9. Select DattoBusDrvInstall and click Open.

mceclip0.pngFigure 8: Select the needed driver (click to enlarge)

10. Click OK.

11. Click Next until you get to the Completing the Add Hardware Wizard screen.

mceclip16.pngFigure 9: Completing the Add Hardware Wizard (click to enlarge)

12. Click Finish.

Additional Resources

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