with elevated permissions to allow the installer to access or update system stores. Review: Kepware KEPServerEX

If you cannot update the certificates, you can extract the installation files manually to bypass the initial wrapper check. Open the as an Administrator.

Older operating systems lack the modern root certificates.

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Browse to your transferred certificate file and click through the prompt to finish the installation.

To resolve this issue, follow the steps below in order of preference.

John scratched his head, wondering what could be causing this issue. He checked the internet for solutions, but none of the forums or support pages seemed to have an answer. He even tried contacting Kepware's support team, but they were slow to respond.

In conclusion, the Kepware error “unable to find required root certificates exclusive” is far more than a nuisance message—it is a reflection of the tension between industrial longevity and modern cryptographic trust models. It reminds us that software installation is not merely a file-copying operation but a ritual of mutual authentication between publisher, operating system, and user. As Industry 4.0 pushes even legacy plants toward secure, encrypted communication, errors like this will become increasingly common. The solution lies not in bypassing security but in understanding it: ensuring that the invisible roots of digital trust are as well-maintained as the visible cables and controllers on the factory floor. Only then can Kepware—and the automation it enables—operate with both reliability and integrity.

If the steps above do not resolve the issue, you may need to reach out to PTC Kepware Support for specialized advice, especially if you are working on a strictly legacy system like Windows 7 Professional SP-1.

: If the machine must remain offline, you can manually install the missing certificates (typically from GlobalSign , VeriSign , or Microsoft ) .

To his surprise, this worked! The installer suddenly found the required root certificates, and Kepware installed successfully. John breathed a sigh of relief, feeling a mix of relief and accomplishment.

Some legacy Kepware versions (pre-6.x) do not enforce online root certificate validation.

The Kepware installer is not referring to user certificates or machine SSL certificates. Instead, it is checking for required to verify the digital signature of Kepware’s own binaries and dependencies during installation.

Ensure you are using the most recent version of the installer from the PTC Support Portal, as newer installers may contain updated signing methods.