Exclusive Extra Quality | Kepware The Installer Was Unable To Find Required Root Certificates

This error indicates that the Windows operating system on the target machine is missing the necessary Trusted Root Certification Authorities required to validate the digital signature of the Kepware installation files. Kepware installers are digitally signed to ensure security and integrity; if Windows cannot verify this signature due to missing root certificates, the installation is blocked to protect the system.

Download the (or the specific one identified in Step 1) in .crt or .der format. Step 3: Install on the Offline Machine Move the file to the offline server. Double-click the certificate and click Install Certificate . Choose Local Machine .

To prevent this issue in the future, system administrators managing SCADA or HMI servers should: This error indicates that the Windows operating system

: Ensure no firewalls or security software (like Kaspersky) are blocking the installer from verifying signatures online. Bootstrap Logs

This error completely blocks the installation or upgrade of or ThingWorx Industrial Connectivity , prompting the user to apply Windows updates or contact support. Below is a comprehensive guide to understanding why this issue happens and how to fix it in offline, air-gapped, or legacy OT environments. Why This Error Occurs Step 3: Install on the Offline Machine Move

For a visual interface to manage certificates, use the built-in Microsoft Management Console (MMC) snap-in.

with elevated permissions to allow the installer to access or update system stores. Review: Kepware KEPServerEX To prevent this issue in the future, system

: You can verify if the installer is trusted by running certutil -hashfile SHA256 in a command prompt and checking for errors related to the digital signature.

For further assistance, you can refer to the official PTC Kepware Support Article CS292168 or open a ticket at My Kepware if manual installation fails .

Ensure the terminal outputs the line: CertUtil: -addstore command completed successfully. Re-run the installer.