Solution
Follow these steps to connect your phone to Deltek
Download the Deltek Vision Time & Expense app from the Apple App/Google Play Store
Open the app, and accept the terms & conditions, disable Usage tracking if you desire, though it doesn’t affect anything leaving it on.
Enter the Server URL: https://hlw.deltekfirst.com/hlw/TIME and click “Connect”
In the User ID field, type your full HLW email (e.g. csellman@hlw.com)
Select Windows Authentication so that it is enabled and click “Log In”
A screen may appear saying “You have been signed out”, ignore this and wait a few seconds and a login prompt will appear for you to enter your password. Click Sign-in.
At this point, you should be prompted to authenticate from Duo to complete your sign-in.