How to Resolve a KNOX Authentication Error During Smart Launcher Installation

This guide explains how to resolve a KNOX authentication error that occurs during Smart Launcher installation.

1) What Is Smart Launcher?

Smart Launcher is an installer app used to install diagnostic apps (KDS 2.0 / KDS 2.0 / GENESIS Smart). After authentication in Smart Launcher, users can download and install the required resources, including APK files.

2) Symptom

• A KNOX authentication error pop-up appears during Smart Launcher installation.

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3) Cause and Corrective Action 

• If the Wi-Fi, LTE, 5G, or other internet network connection is unstable, the device may be unable to access the Samsung KNOX server.
  This may cause the symptom shown above.

• Switch to a stable internet network or check the internet connection environment.