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

Run and install all pending "Important" and "Root Certificate" updates. Restart the machine and retry the KEPServerEX installation.

On the affected machine, update the trusted root certificate list manually:

Obtain the required .cer or .crt files from a machine with internet access or the PTC Support Portal .

If you cannot run Windows Update because the system is offline, you must manually import the required certificates (e.g., DigiCert Global Root G3 or newer). Run and install all pending "Important" and "Root

user wants a long article about the "kepware the installer was unable to find required root certificates exclusive" error. I need to gather information about its causes, solutions, and relevant contexts. I'll follow the search plan from the hint. The first round involves several specific queries. I'll execute them all simultaneously. search results have provided several relevant links. I need to open them to gather detailed information. The results include official PTC support articles, community forum discussions, and various technical documentation pages. I will open all of them to ensure comprehensive coverage. search results provide a wealth of information. I will structure the article to cover the error's root cause, affected versions, log analysis, solution steps, and potential pitfalls. I will cite the official PTC article, the detailed technical analysis from CSDN, and the community discussion about Group Policy. The article will be comprehensive and practical. Now I will write the article. you've ever tried to install Kepware's KEPServerEX and been greeted by a frustrating pop-up stating, "The installer was unable to find required root certificates," you are certainly not alone. This error has become a well-known hurdle for many users, particularly those installing on older Windows operating systems or in highly controlled industrial environments.

Summary

Troubleshooting "Kepware: The installer was unable to find required root certificates" Error If you cannot run Windows Update because the

Systems like Windows 7 or unpatched versions of Windows Server 2016 often lack the modern GlobalSign, VeriSign, or Microsoft root certificates required by the Kepware bootstrap. Primary Solutions

Open the on your domain controller.

Manually choose the store for the placement. I'll follow the search plan from the hint

Whether you choose to simply run Windows Update, contact PTC support, deploy a community patch, or manually import the certificate, the solution is well-documented and proven. By understanding the underlying cause, you can confidently resolve this error and proceed with your KEPServerEX installation, ensuring your industrial communication platform is both functional and secure.

Identify the missing certificate (e.g., GlobalSign or Microsoft) from the bootstrap.log file located in the Kepware installation directory.

Method 2: Manually Install Root Certificates (Best for Offline/Air-Gapped Systems)

Knowing these details will allow me to provide the exact command line arguments or download links you need. Share public link