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SharePoint 2016 Troubleshooting: Installation error - The tool was unable to install Web Server (IIS) Role

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Issue

When installing SharePoint Server 2016, you receive the following error message:

 The tool was unable to install Web Server (IIS) Role.

When you navigate to the Server > Add Roles and Features and try to add .NET Framework 3.5, it fails with the following message and specifying sources does not help.

Solution

Run the following cmdlet:



      Add-WindowsFeature NET-Framework-45-ASPNET, Web-Mgmt-Console, Web-Mgmt-Compat, Web-Metabase, Web-Lgcy-Mgmt-Console, Web-Lgcy-Scripting, Web-Mgmt-Tools, Web-Common-Http, Web-WMI, NET-HTTP-Activation, NET-Non-HTTP-Activ, NET-WCF-HTTP-Activation45

and you can proceed with the installation of the prerequisites of SharePoint 2016.

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