Some of my users was not able to remember the /RDWeb as part of the URL to our RD Web Access Server.
If your RD Web Access server (as our) do not serve any additional websites, you can change the URL to make it more memorable.
How to ?
On your RD Web Access server go to c:\inetpub\wwwroot, copy the iisstart.htm and name it 'iisstart-old.htm' so you have a backup.
Right click iisstart.htm and open with Notepad.
Delete the entire content so you have a clean slate of the document.
Type the following code on one line:
<meta http-equiv="refresh" content="0;url=https://servername.lan.local/rdweb">
In your environment, you have to change 'servername.lan.local' to your FQDN.
Once you`re done, save the changes.
You can now access your RD Web Access server using https://servername