Error: Unable to display RD Web Access… after hitting refresh in IE

Just setup a RDS environment with Windows Server 2012 R2 (Broker/WebAccess/RDSH/Gateway/SSL). Everything runs fine except for when you use IE to access the Web Access and hit the “Refresh” on the browser. You can access all pages, logon, etc… everything works but if you hit the “Refresh” button in IE on any page you get the following error:

Error: Unable to display RD Web Access

An unexpected error has occurred that is preventing this page from
being displayed correctly.

Viewing this page in Internet Explorer with the Enhanced Security
Configuration enabled can cause such an error.

Please try loading this page without the Enhanced Security
Configuration enabled. If this error continues to be displayed, please
contact your administrator.

Now Enhanced Security Configuration is/was turned off on the server. Turned it on, and then off with no luck. Turn it on for admins, but off for users…etc… still I get the same error.

This error only happens with IE, not using another browser (Chrome/Firefox are fine).
Turned off Protected Mode in IE.
Restarted the IIS web server.

This post mentions the error and “Enhanced Security Configuration” fix, but it does not work for me.

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