When users have installed Microsoft’s Project Accelerator to use with Project Plan 1 or Project for the Web, they may encounter a message “login.microsoftonline.com” refused to connect when the navigate to the tasks tab.
When users have installed Microsoft’s Project Accelerator to use with Project Plan 1 or Project for the Web, they may encounter a message “login.microsoftonline.com” refused to connect when the navigate to the tasks tab, they may encounter a screen as below.
login.microsoftonline.com refused to connect.
Cause:
This may happen because their session to Project for the web might have expired.
Resolution
Navigate to https://project.microsoft.com/