Issue: Microsoft Hosted environments You are not authorized to login with your current credentials. You will be redirected to the login page in a few seconds
How to Fix?
Steps to follow:
Check your VS, it should be on the name of the new user.
Check the D365FO the new user ID should be Admin
Normally in Microsoft Hosted environments, you will see below error:
To open the Admin provisioning tool
Dynamics 365 for Finance and Operations Admin user provisioning error: