Kepware The Installer Was Unable To Find Required Root Certificates Exclusive

Maintain a "golden image" of your Kepware server that includes:

Scenario: A manufacturing plant attempts to upgrade Kepware 6.14 to 6.15 on a Siemens SIMATIC IPC (Windows 10 IoT LTSC, no internet).

Error: "The installer was unable to find required root certificates exclusive." Maintain a "golden image" of your Kepware server

Steps Taken:

Lesson Learned: For air-gapped OT environments, manual certificate import is the exclusive, reliable fix. The word "exclusive" in the error message refers

The word "exclusive" in the error message refers to the Microsoft Software Key Storage Provider or a specific cryptographic context where the installer requires exclusive access to certificate validation resources. It implies that the installer attempted to build a certificate chain for validation but found that required root CAs were either:

The "exclusive" part of the error can occur if the Windows automatic root certificate update feature tries to lock the store while Kepware is attempting to read it. you must manually inject the certificates.

If the certs folder is missing or the manual import does not resolve the issue, you must update the Windows Root Certificate store.

For Machines with Internet Access: Ensure Windows Update is functioning. You can force a specific update for certificates:

For Offline Machines (The "KB" Approach): If the machine is air-gapped (no internet), you must manually inject the certificates.