You are trying to reach a managed mobile device and you get the error message "Agent not reachable".
You might get this error message, if the android agent has been removed from the managed mobile device.
You need to ensure that the agent is installed in the device, by contacting the end user. If the agent has been removed then you need to send an enrollment request again and re-enroll the device in order to manage it. Follow the steps mentioned below to send enrollment request to the user:
Enrollment request will be sent to the user and you can start managing the device as soon as the device is enrolled.
Applies to: Profile Management, Device Enrollment
Keywords: Profile Specifications, Device not reachable, Android Agent uninstallation