Kepware The Installer Was Unable To Find Required Root Certificates Exclusive ((top)) May 2026
The Digital Handshake: Understanding the Kepware Root Certificate Error
In the interconnected world of industrial automation, Kepware stands as a ubiquitous bridge, translating disparate device protocols into a unified language for supervisory control and data acquisition (SCADA) systems. However, even the most robust software is susceptible to the invisible infrastructure of modern cybersecurity: digital certificates. A technician encountering the error message—“The installer was unable to find required root certificates exclusive”—has stumbled upon a silent, fundamental breakdown in trust. This error is not a mere glitch but a symptom of a missing link in the chain of cryptographic authentication, one that prevents Kepware from verifying its own integrity or communicating over secure channels. Understanding this error requires delving into the purpose of root certificates, the heightened security of contemporary Windows environments, and the specific conditions under which Kepware’s installer fails to locate them.
- Open Command Prompt as Administrator.
- Run:
certutil -generateSSTFromWU roots.sst certutil -addstore Root roots.sst - This downloads the latest Microsoft root certificate bundle and imports it.
Delete the corrupted certificate store cache: Open Command Prompt as Administrator
In the Certificate Import Wizard, select Local Machine as the store location. This downloads the latest Microsoft root certificate bundle
Restricted Group Policies: Policies may explicitly disable automatic root certificate updates via registry settings like DisableRootAutoUpdate. Kepware stands as a ubiquitous bridge
Solution 1: Update Windows (Preferred Method)
The safest and most reliable way to fix root certificate issues is to update the operating system.
A. Restore/update Windows Trusted Root Certificate store
