Maximizer Portal Credential Fields are Disabled
There is a situation with Internet Explorer 11 where you are unable to enter in your credentials into a Maximizer Portal
As you can see from the image below the fields are disabled.
To fix this you need to select the "Tools" icon
Select "Compatibility View settings"
Enter in the domain of the Maximizer Web Portal you are trying to access and press "Add"
The site will refresh and you will now be able to log in.