/LimitAccess : Prevents the server from trying to contact Windows Update.

Users often search for a "new" download of this file because they encounter error codes (commonly 0x800f081f or 0x800f0906 ) when trying to install .NET 3.5 via the Server Manager GUI. The error messages often state that "The source files could not be found," leading users to believe they need to download the .cab file manually. /LimitAccess : Prevents the server from trying to

For servers in disconnected, air-gapped, or high-security environments, the most reliable method is using the : microsoft-windows-netfx3-ondemand-package.cab or high-security environments

If using /quiet , the command prompt will return without output. To verify success: /LimitAccess : Prevents the server from trying to