Kepware The Installer Was Unable To Find Required Root Certificates Exclusive !!top!! -

By following the solutions in this guide—updating Windows root certificates, manually importing the missing CAs, or using advanced bypass switches—you will restore the ability to install Kepware on any industrial PC.

If the error persists, review the installation logs to identify which specific certificate is missing. You can find these at: C:\Program Files (x86)\Kepware\KEPServerEX\bootstrap.log

Troubleshooting the Kepware Error: "The installer was unable to find required root certificates" By following the solutions in this guide—updating Windows

For organizations deploying multiple Kepware instances (e.g., across SCADA nodes):

Once transferred to the offline machine, import each certificate file using the following sequence: This is a security feature to prevent running

The error occurs because the system lacks the necessary root certificates to verify the digital signature of the Kepware installer. This is a security feature to prevent running malicious software.

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

For industrial automation engineers and IT/OT integration specialists, Kepware is a cornerstone technology. As the industry standard for industrial connectivity, Kepware’s suite of products (including KEPServerEX) provides seamless communication between disparate PLCs, sensors, and databases. However, even robust software can encounter cryptic installation blockers.

An error return code of 0x65B explicitly confirms that the system's cryptographic functions cannot find a trusted certificate trail. Step-by-Step Solutions

Identify the vendor signing the Kepware executable. Right-click the Kepware installation file, select , and go to the Digital Signatures tab.