https://support.eset.com/kb3172

1. From the home screen of your Android device, tap the ESET icon  to open ESET Endpoint Security for Android.
    
2. Tap Remote Administration → Settings.

Figure 1-1
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3. Select the check box next to Connect to ESET Remote Administrator server (see Figure 1-2).
    
4. Make sure that Primary server is selected and type the IP address of your primary ESET Remote Administrator Server (ERAS) into the Server address field (see Figure 1-2).
    
5. If you are using default settings, make sure that 2222 is entered in the Port field. 
    

Figure 1-2
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6. If ERAS requires a password for clients, select the check box next to ESET Remote Administrator server requires authentication and type your ERAS password into the Password field. Once you are finished making changes, tap Done.

Figure 1-3
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7. ESET Endpoint Security for Android will automatically sync with the ESET Remote Administrator Server once per hour using default settings. To manually sync your device with ERAS at any time, tap Connect to ERA.