Kepware The Installer Was Unable To Find Required Root Certificates Exclusive ✭

One of the most frustrating errors encountered during the installation or upgrade of Kepware products (including KEPServerEX, ThingWorx Kepware Edition, or LinkMaster) is:

After applying the solution, especially when working with OPC UA connections, you should verify that everything is functioning correctly.

Resolving the Kepware Installer "Missing Root Certificates" Error The error message One of the most frustrating errors encountered during

Industrial servers (SCADA, MES, or historians) are frequently isolated from the internet for cybersecurity reasons. This preventing Windows from using its Automatic Root Certificates Update feature to fetch new certificates dynamically.

Click , go to the Details tab, and click Copy to File... to launch the Certificate Export Wizard. Click , go to the Details tab, and click Copy to File

Method 2: Manual Certificate Import (For Offline/Air-Gapped Servers)

: If the error persists, check the installation logs (typically found at C:\Program Files (x86)\Kepware\KEPServerEX\bootstrap.log Step 2: Import the Certificate to the Local

Download the .cer or .crt file directly from the official repository of the certificate authority (like the DigiCert Root Repository) using a machine with web access. Step 2: Import the Certificate to the Local Machine Store

Choose and place it specifically in the Trusted Root Certification Authorities store.

to ensure it has permission to access the certificate store. "Not Trusted" Warning:

Method 2: Manual Import via Microsoft Management Console (MMC)