Features:  
WINCC Advanced:  Engineering and runtime software for simple single-user systems, especially on the machine level.
WINCC Professional:  Engineering and runtime software for Comprehensive multi-user systems and SCADA solutions in small and medium-sized Plants.
WinCC  runtime package (RT: runtime  license) Both packages are available with 128,512,2K,8K,64K,100K,150K or 256K Power tags.
The MS SQL Server records trends in a memory-optimized way up to 120,000 trends can be archived on one server.
Mathematical functions, such as integral calculation, are available for statistical analysis.
Operator control and monitoring over long distances with up to 50 operator stations simultaneously.
High-performance data exchange between several systems at the same time.
Automatic switch-over when a server fails or the communication to the server fails.
It is possible to increase system availability by means of redundancy for applications with winCC by using
1. Redundant servers.
2. Redundant communication paths and
3. High-availability controllers.