Hotfix: Large URI request in Web Application Proxy on Windows Server 2012 R2

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In one of the last postswe discussed the option to put a Web Application Proxy in the DMZ as a reverse proxy for NDES. You could request a hotfix via Microsoft Support in order to get this to work. The good news is that you no longer have to contact support, it’s available in the in the December Windows Update:

Large URI request in Web Application Proxy fails in Windows Server 2012 R2
https://support.microsoft.com/kb/3011135

Just install the latest Windows Update on your Windows Server 2012 R2 and you should be good to go:
December 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
https://support.microsoft.com/kb/3013769