Not allowed to set the device owner because there are already several users on the device

user_5657783 0
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I was following this tutorial to set the app as device owner. In that tutorial, there is a section 'Using adb to set the device owner'. The tutorial here says that after installing the Kiosk Mode Demo App, run the following command:

adb shell dpm set-device-owner sdg.example.kiosk_mode/.AdminReceiver

This gave me the error:

adb server is out of date.  killing...
* daemon started successfully *
java.lang.IllegalStateException: Not allowed to set the device owner because there are already several users on the device
    at android.os.Parcel.readException(Parcel.java:1629)
    at android.os.Parcel.readException(Parcel.java:1574)
    at android.app.admin.IDevicePolicyManager$Stub$Proxy.setDeviceOwner(IDevicePolicyManager.java:5146)
    at com.android.commands.dpm.Dpm.runSetDeviceOwner(Dpm.java:114)
    at com.android.commands.dpm.Dpm.onRun(Dpm.java:82)
    at com.android.internal.os.BaseCommand.run(BaseCommand.java:47)
    at com.android.commands.dpm.Dpm.main(Dpm.java:38)
    at com.android.internal.os.RuntimeInit.nativeFinishInit(Native Method)
    at com.android.internal.os.RuntimeInit.main(RuntimeInit.java:257)

I followed this SO link and the answer of Diego Plascencia Lara helped me to get rid of 

adb server is out of date.  killing...
* daemon started successfully *

But still the following error is occurring after running the adb shell dpm set-device-owner sdg.example.kiosk_mode/.AdminReceiver command:

java.lang.IllegalStateException: Not allowed to set the device owner because there are already several users on the device
    at android.os.Parcel.readException(Parcel.java:1629)
    at android.os.Parcel.readException(Parcel.java:1574)
    at android.app.admin.IDevicePolicyManager$Stub$Proxy.setDeviceOwner(IDevicePolicyManager.java:5146)
    at com.android.commands.dpm.Dpm.runSetDeviceOwner(Dpm.java:114)
    at com.android.commands.dpm.Dpm.onRun(Dpm.java:82)
    at com.android.internal.os.BaseCommand.run(BaseCommand.java:47)
    at com.android.commands.dpm.Dpm.main(Dpm.java:38)
    at com.android.internal.os.RuntimeInit.nativeFinishInit(Native Method)
    at com.android.internal.os.RuntimeInit.main(RuntimeInit.java:257)

Why is this error happening and how can I remove this? I had earlier tried to set different apps as device owner but I think I did not manage to pull them off entirely and there were always some errors while completing the entire procedure of getting the app running on the device.

device-owner adb android
5 Answers

I know this is a post from 4 years ago but I was having the same problem and I didn't want to do a factory data reset so I clicked on that and then you will get a confirmation screen showing everything that you have installed and the accounts that are still logged in, even though they don't show up under accounts & backup.

You can then proceed to erease those apps and you're set!

*In my case the apps still logged in were reddit and zoho invoice

user_149337550

I had the same problem with emulator. Then from Android studio's AVD manager, I right clicked on the device-> wipe data.

user_19385070

Follow instructions below to solve the problem:

  1. Remove all accounts in the settings->Accounts
  2. Use the command: adb shell dumpsys account (It will list all the accounts remains but not lists before, uninstall all the apps)
  3. Try again
user_25720850
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