Duo Mobile - Enrolling in Duo Mobile for Multi-Factor Authentication – DotCIO - IT Services and Support Center

Overview

How to enroll, authenticate and manage existing devices in Duo Mobile for Multi-Factor Authentication. You must know your current RCS userid and password for this process.

Procedures

To improve security access many RPI systems requires Multi-Factor Authentication using Duo Mobile. This article will explain on how to install this on a smartphone and how to connect.

Help Desk will not provide a bypass code but if you need assistance with any of this process, please submit a Support Request

First section will be installing and configuring for the first time.

Refer to References section at the bottom for additional options including managing existing devices or adding a new or additional device.

Note: If you are trying to enroll a second account with the same phone number and get an error (for example an employee who now also has a student account), you will need to submit a Support Request for assistance.

Installing and Configuring Duo Mobile

Go to App Store for iOS or Play Store for Android and download and install: Duo Mobile

[image for Duo Mobile app]

Note -- Effective 04/01/2026 - Requires iOS 17 or above or Android OS 12 or above. If you do not have a smart phone, tablet (iPad), Mac with Google Chrome using Touch ID OR you have an older smart phone, please reference the Hardware token section below.

How to find OS version:

iOS: Settings - General - About
Android: Settings - About Phone or About Device - Android Version

2. On a computer (not on your phone) open a web browser go to:

https://accounts.microsoft.com

NOTE: If you are using a Mac with Touch ID you need to use Google Chrome as your browser

3. Click Sign in button on the top left of page.

4. At the login screen login with your RPI Email address (rcsid@rpi.edu). Click Next and enter your password.

If you are not currently enrolled in Duo you will be prompted to enroll – click Get started
Although Windows Hello is Recommended, not all RPI systems will work with Windows Hello – so it is a good supplemental backup. The best method for RPI is Duo Mobile:

[Duo add device window]

Click Duo Mobile - Enter your phone including country code and area code – click Continue – Yes, it’s correct – Next – QR code appears
On your phone – open Duo app – click Set up account – Use a QR code – scan code on computer screen – Account is added – click Save
On computer – should get confirmation Added Duo Mobile – click Continue
Option to add another device (you can always manage this later) or click on I don’t want to add more devices. (You can add Windows Hello option at this time if you would like) – Setup completed – click Log in with Duo
Enter verification code from screen in Duo app.

Logging in when prompted for MFA

1. Logging in to most MFA enable systems will automatically trigger a verify push notification to your device and you will not need to interact with the website. Go to your Duo mobile app on your phone to see the 3 digit code to enter into the website you are logging into.

If you have a hardware token, you choose other options to be prompted to enter the 6 digits showing on the hardware token (see below for additional information on hardware tokens).