Open Command Prompt as Administrator and navigate to the folder containing the installer. Run:
Reality: AV rarely deletes root certs. However, aggressive "HTTPS scanning" or "SSL inspection" features can intercept certificate validation. Try temporarily disabling AV during installation. Open Command Prompt as Administrator and navigate to
Introduction 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. Try temporarily disabling AV during installation
Remember: In the OT world, security and connectivity must coexist. Maintaining a healthy root certificate store is not just about installing Kepware—it is about ensuring the integrity of your entire industrial control system. Keywords integrated: kepware the installer was unable to find required root certificates exclusive, Kepware installation error, root certificate missing, KEPServerEX installer fails, Windows cryptographic services, PTC Kepware troubleshooting. NIST SP 800-53)
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.
Reality: Older versions (pre-6.0) used SHA-1 certificates, which are now deprecated. Modern Windows rejects them. Downgrading is a security risk and often fails worse. Conclusion The error "kepware the installer was unable to find required root certificates exclusive" is not a bug in Kepware itself. It is a symptom of an outdated or misconfigured Windows certificate store. In an era of increasing cybersecurity standards (IEC 62443, NIST SP 800-53), root certificate validation is a mandatory security control.