Remark:        This installation guide is based on Windows Server 2012 R2 (Windows Server Version 6.2 Build 9200).

In this first step, the actual web server (Internet Information Services, Version 8-5-9600.16384) will be installed.

Within the Server-Manager window click on ManageàAdd Roles and Features.

In the Server Roles section select Web Server IIS and click next.

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In the Web Server Role (IIS) à Role Services section select ASP.NET 4.5 and WebSocket Protocol.

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In the Server Roles section select Management Tools / IIS 6 Management Compatibility.
 

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