Turn on IIS for thin client access
- Last UpdatedOct 29, 2026
- 3 minute read
Turn on Microsoft's Internet Information Services (IIS) and configure it with the correct settings to make your project accessible to thin clients over the network.
Please note that these instructions apply only to the following versions of IIS:
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Version |
…on Operating System |
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IIS 10 |
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Note: For Windows Embedded, IIS must be included in the device's operating system image by the device manufacturer. It cannot be manually installed after the fact.
IIS supports all features of AVEVA Edge, and it is robust enough to serve almost any project in a production environment. It is the web server software that we recommend for most users, and to achieve the best performance during project run time, we strongly recommend that you use one of the versions listed above.
You only need to turn on IIS on the computer that will be your project runtime server. This might be the same computer that you are using to develop your project, especially if you plan to test your project locally, but it does not need to be.
You must have Administrator privileges on the computer in order to turn on and configure IIS, and you should be familiar with administering Microsoft Windows on a network.
For the sake of system security, IIS is turned off by default when the operating system is installed. To turn on and configure IIS in Windows:
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In the Windows 11 Start menu, select Settings to open the Windows Settings dialog.
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Use the search box to search for Turn Windows features on or off.
The Windows Features dialog box is displayed.
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In the Windows Features dialog box, select Internet Information Services.
IIS is selected with its default features, but you need to make sure that all of the features required by AVEVA Edge are also selected.
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Expand Internet Information Services > World Wide Web Services > Application Development Features, and then make sure all of the following features are selected:
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Application Development Features
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.NET Extensibility 4.x
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ASP
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ASP.NET 4.x
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ISAPI Extensions
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ISAPI Filters
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Common HTTP Features
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Static Content
Some additional features may be selected by default, but you do not need to clear them. You only need to make sure the features listed above are selected.

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Click OK.
IIS is turned on with the selected features, but you might be prompted to restart Windows to apply the changes.
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After you have turned on IIS, you can use Internet Information Services (IIS) Manager to configure it. To open IIS Manager:
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In the Control Panel window, click System and Security, and then click Administrative Tools.
The Administrative Tools window is displayed.
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In the Administrative Tools window, double-click Internet Information Services (IIS) Manager.
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Search for Internet Information Services (IIS) Manager in the Windows status bar and select it to open the dialog.
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Please note that turning on IIS as a Windows feature does not mean the web server is actually running. You will need to use IIS Manager to start Default Web Site, after you have finished configuring IIS and installing any other software.
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Note: A web server typically operates on, or "listens to", a computer's TCP/IP port 80. Only one process can run on a given port, so if another process on your computer — for example, some third-party SCADA software — is already running on port 80, then it and the web server process might conflict with each other. Either configure one of the processes to run on a different port, or use Task Manager to end the conflicting process. If you cannot identify the conflicting process, run Command Prompt and enter the following command to get a list of all networking processes: netstat -a -o |