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  3. How to troubleshoot the ‘Device ID already exists’ error while re-enrolling the device to SureMDM?

How to troubleshoot the ‘Device ID already exists’ error while re-enrolling the device to SureMDM?

KB ID: 42G2106432
Views: 672
Updated: August 2021

Sometimes due to the need of an hour, the admin will need to reset and re-enroll the devices to SureMDM. While doing this there are chances that the devices are not properly removed from the SureMDM web console to be re-enrolled. And hence, while re-enrolling them, the admin might encounter an error that shows up in the log file as Device Name registration failed. Reason: Device ID already exists.

And on the device side, we see the status as indicated in the below screenshot.

To overcome this situation, it is important to keep a note of the below pointers. 

1. Check if the device is available in the Pending Delete section of the SureMDM console. If the device is present in the section, select the device and click on the Force Delete option.

2. Gather the Device ID of the device and search for the same in the SureMDM console. If the device is found in the SureMDM web console, then select the device and delete it from the console. Once done, re-configure the device and re-enroll it.
Below are the steps to find out the Device ID of the device.

a. Launch SureMDM agent on the device and Click on Settings
b. Uncheck Enable SureMDM Agent Service option and note down the Device ID displayed under the Device ID option.

3. The last pointer to take care of is to clear the Device ID on the SureMDM Agent of the device. SureMDM recognizes a device from the Device ID it allows for the device. Clearing Device ID and re-enrolling it to SureMDM will generate a new Device ID for the device. Below are the steps involved in clearing the Device ID on the device. navigation on the device.

a. Launch SureMDM agent on the device and Click on Settings
b. Uncheck Enable SureMDM Agent Service option and navigate to the Device ID option.
c. Tap on it to clear it.

The device should enroll successfully now.

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