How to Fix "This ADB Server's ADB_Vendor_Keys is Not Set" Error: A Step-by-Step Guide

If you are a developer who has encountered the "This ADB Server's ADB_Vendor_Keys is Not Set" error, you may be wondering what to do next. This error can occur when you are trying to deploy an app to an Android device using Android Debug Bridge (ADB). Fortunately, there are some steps you can take to fix this issue. In this guide, we will provide a step-by-step solution to help you resolve this error.

Step 1: Check Your ADB Version

The first step to fixing the "This ADB Server's ADB_Vendor_Keys is Not Set" error is to check your ADB version. To do this, open a command prompt or terminal window and enter the following command:

adb version

This will display the version of ADB you are currently running. If you are running an outdated version of ADB, you may encounter this error. To update your ADB version, follow the steps below.

Step 2: Update Your ADB Version

To update your ADB version, follow these steps:

  1. Visit the Android Studio Downloads page and download the latest version of Android Studio.
  2. Install Android Studio on your computer.
  3. Launch Android Studio and click on "SDK Manager" from the "Welcome to Android Studio" dialog box.
  4. In the SDK Manager, select the "SDK Tools" tab.
  5. Check the box next to "Android SDK Platform-Tools" and click "Apply" to install the latest version of ADB.

Once you have updated your ADB version, try running your app deployment again to see if the error has been resolved.

FAQ

What causes the "This ADB Server's ADB_Vendor_Keys is Not Set" error?

This error can occur when you are trying to deploy an app to an Android device using Android Debug Bridge (ADB). It may be caused by an outdated version of ADB or missing vendor keys.

How do I check my ADB version?

To check your ADB version, open a command prompt or terminal window and enter the following command:

adb version

How do I update my ADB version?

To update your ADB version, visit the Android Studio Downloads page and download the latest version of Android Studio. Install Android Studio on your computer, launch it, and click on "SDK Manager" from the "Welcome to Android Studio" dialog box. In the SDK Manager, select the "SDK Tools" tab and check the box next to "Android SDK Platform-Tools". Click "Apply" to install the latest version of ADB.

What should I do if updating my ADB version doesn't fix the error?

If updating your ADB version doesn't fix the error, try restarting your ADB server by entering the following command in a command prompt or terminal window:

adb kill-server

adb start-server

If the error persists, try restarting your Android device and computer.

Can I prevent the "This ADB Server's ADB_Vendor_Keys is Not Set" error from occurring?

To prevent this error from occurring, make sure you are running the latest version of ADB and have all necessary vendor keys installed. Additionally, ensure that your Android device is connected properly to your computer and that USB debugging is enabled.

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