Error -50150 When Using USB Devices in NI MAX

Updated May 10, 2018

Reported In

Hardware

  • cDAQ-9181

Software

  • Measurement & Automation Explorer (MAX)

Issue Details

I have connected my USB data acquisition device to my PC and it shows up correctly in MAX, but when I try to self-test the device or open the test panel, I get Error -50150. On another PC, the USB device works correctly.

Solution

To remove the error, the network administrator has to grant the USB device access or disable security software.

A security software may be installed on the PC. Some security software, such as DeviceLock®, enable network administrators to centrally control uploading and downloading activity through local computer devices. With this software, you can lock out unauthorized users from USB, FireWire, and many other plug-and-play devices. If the USB data acquisition device is connected to a locked USB port, Error -50150 occurs.

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