Technical Tip: FortiAuthenticator agent cannot be installed caused by network issue

[yangw]

Description	This article describes that for FortiAuthenticator agent installation, all network communications take place over TLS 1.2. As a result, the minimum required version of the .NET Framework is 4.8.0. The Agent's installer will offer to install this when necessary.
Scope	FortiAuthenticator v6.6, FortiAuthenticator Windows Agent 4.3.
Solution	Installation of FortiAuthenticator Agent for Microsoft Windows without internet connectivity to download necessary applications such as the .Net 4.8.0 Framework and Visual Studio C++ redistributable packages are required and will be downloaded and installed as part of the process. The installation will be interrupted and pop up the error message below. Runtime error (at 4:511) Error sending data: (12002) The operation timed out. This issue is related to downloading dependencies that might be missing. FortiAuthenticator Windows Agent 4.3 requires the following: .NET Framework 4.8 MS Visual C++ 2022 Redistributable (x64) Related document: Introduction Installing the latest MS Visual C++ 2022 Redistributable (x64) from Microsoft resource links then the agent can be installed without internet connectivity: https://learn.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist?view=msvc-170 and file https://aka.ms/vs/17/release/vc_redist.x64.exe