Kepware The Installer Was Unable To Find Required Root Certificates Exclusive May 2026

By following the methods in this guide—especially the for air-gapped networks—you can bypass this roadblock in minutes.

Get-ChildItem -Path Cert:\LocalMachine\Root | Where-Object $_.Subject -like "*DigiCert*" | Format-List Subject, Thumbprint If no results appear, you know you need Method 2. Scenario: A manufacturing plant attempts to upgrade Kepware 6.14 to 6.15 on a Siemens SIMATIC IPC (Windows 10 IoT LTSC, no internet). By following the methods in this guide—especially the

"The installer was unable to find required root certificates exclusive." "The installer was unable to find required root

Kepware is the gold standard for industrial connectivity, acting as the bridge between diverse automation devices and IT/OT systems (OPC, MQTT, REST, etc.). However, even the most robust software can be stopped in its tracks by a seemingly obscure operating system error. The exact root can vary by version, but

Introduction: The Certificate Conundrum

Kepware installers typically require certificates from DigiCert , Sectigo , or Microsoft Windows Production PCA 2011 . The exact root can vary by version, but DigiCert High Assurance EV Root CA is a common requirement.