Solved
Vuforia Chalk on Microsoft Edge / Explorer
We are not able to connect connect.vuforia.com. Using Microsoft Edge / Explorer 11. It is recommending to open in Google Chrome.
Will Vuforia Chalk support Edge / Explorer
Have you tried in the Chromium version of edge? Chalk is supported on edge chromium version. You can download the chromium version from here: https://support.microsoft.com/en-us/help/4501095/download-the-new-microsoft-edge-based-on-chromium