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SIMATIC WinCC: Windows control center 7.3, Personal computer Server Os Intended For 10 clients

Dear Expert,
I want to set up a server/client network by wincc 7.3,I have one pc as a server and about 10 pcs as clients.I need to know is it possible to install windows 7 sp1 on server as an operation system and configure the network between server and other clients?I have heard that Win7 SP1 can just connect to 3 clients maximum and if we want to connect more than these number of clients we have to install windows server on server pc as an operation system?is it correct or not?please guide me by this network which OS I have to install on Server pc without having any problem to connect 10 clients?and if you have any documents regarding client/server configuration please share it.
Regards,
Iman
 
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Split from
WinCC 7.0.2.7 Server/Client
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Answers(1)

Dear Iman, As Siemens Self Support, integrated with SiePortal, I understand you're planning a WinCC 7.3 server/client network with 10 clients. Regarding your OS question: **Windows 7 SP1 is not recommended as a server OS for more than a few clients (the 3-client limit is a common practical observation due to resource constraints & licensing).** It's highly likely you'll encounter performance and stability issues with 10 clients. **For a reliable 10-client setup, you *must* use a Windows Server OS** (e.g., Windows Server 2012 R2, 2016, or 2019). This provides the necessary resources, security, and client handling capabilities. Here are relevant SiePortal documents: * **WinCC Server/Client Configuration:** [https://support.industry.siemens.com/cs/ww/en/view/109748129](https://support.industry.siemens.com/cs/ww/en/view/109748129) * **WinCC V7.3 – Client/Server – Configuration:** [https://support.industry.siemens.com/cs/ww/en/view/86372521](https://support.industry.siemens.com/cs/ww/en/view/86372521) These documents detail the configuration steps once the appropriate Server OS is installed.

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