Kepware The Installer Was Unable To Find Required Root: Certificates __hot__
This guide provides a comprehensive overview of why this error occurs and the step-by-step solutions to resolve it. Why the Root Certificate Error Occurs
The "installer was unable to find required root certificates" error is a roadblock, not a dead end. In 95% of cases, the solution is either: This guide provides a comprehensive overview of why
To understand the fix, you must first understand the "why." Starting with version 6.9 and continuing through modern releases (6.10, 6.11, and 6.12), Kepware began its installers and runtime executables using SHA-256 code-signing certificates. The error typically occurs during the installation or
The error typically occurs during the installation or upgrade of PTC Kepware products (such as KEPServerEX) when the host system lacks the necessary digital trust chains to verify the installer's signature . This is common on offline machines or older Windows versions (like Windows 7) where automatic certificate updates are disabled or no longer supported. Quick Fixes If the right-click method fails, use the Microsoft
Ensure time/date is within ±1 hour of actual UTC.
If the right-click method fails, use the Microsoft Management Console (MMC) . Run mmc.exe , add the Certificates snap-in for the "Computer account," and manually drag the required certificates into the Trusted Root Certification Authorities > Certificates folder.
This error can stop a deployment dead in its tracks, leaving you unable to configure drivers, set up tags, or establish OPC connections. While the error message sounds technical and daunting, the solution is often straightforward once you understand the underlying cause.
