Installation of IBDR (Infrascale Backup & Disaster Recovery) backup agent may fail with the following error message:
"System.Net.WebException: The request was aborted: Could not create ssl/tls secure channel"
Below is the screenshot of the Windows installer:
Our backup agent requires Microsoft Visual C++ for Visual Studio 2015, 2017 and 2019 to perform backup jobs. This error means that this component is missing and the backup agent installer was unable to download it from the web.
To resolve, download and install Microsoft Visual C++ for Visual Studio 2015, 2017 and 2019 from Microsoft's website: