Unable To Find Required Root Certificates Exclusive — Kepware The Installer Was

To resolve this issue, you must ensure the system can trust the certificates used by the Kepware installer.

There are two primary methods to resolve this issue, ranging from the automated approach (recommended) to the manual approach (for strictly offline systems). To resolve this issue, you must ensure the

This error typically occurs when the Kepware installer cannot verify the digital signatures of its own installation files because the host operating system is missing essential . This is common on systems that are offline or have not received recent Windows Updates. Quick Fixes This is common on systems that are offline

When you run the installer, Windows tries to verify these signatures. If your operating system is missing the specific "Root Certificates" needed to validate those signatures—and the computer cannot connect to the internet to download them automatically—the installer will abort to protect the system. Solution 1: The "Quick Fix" (Internet Access) Solution 1: The "Quick Fix" (Internet Access) Industrial

Industrial environments often feature "air-gapped" computers that cannot access the internet. Windows normally updates its root certificates automatically via Windows Update. Without internet access, the machine cannot fetch the updated certificate chain required to validate the installer.

"The Installer was unable to find required root certificates" typically occurs during the installation or upgrade of KEPServerEX (versions 5.20.396.0 to 7.0) or ThingWorx Kepware Server

Critically, the installer does not download missing certificates automatically if the machine is offline or if Windows Update is disabled. This is a security feature—preventing automatic installation of untrusted certificates—but it becomes a roadblock for legitimate software.