Kepware The Installer Was Unable To Find Required Root Certificates Exclusive __exclusive__ | Browser |

When installing Kepware products (such as KEPServerEX, ThingWorx Kepware Server, or various drivers), users may occasionally encounter a blocking error message stating:

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.

During the installation process, the setup wrapper triggers a validation check against the operating system's local certificate store to verify that the installer is authentic and has not been tampered with. He decided to try importing the DigiCert Global

John remembered that his company had recently changed its certificate authority, and maybe this certificate was no longer trusted. He decided to try importing the DigiCert Global Root CA certificate into his system's trusted root certificate store.

Installing Kepware software usually proceeds without a hitch. However, a missing digital certificate can halt the entire process. This guide provides actionable steps to resolve the root certificate error. Why This Error Happens This guide provides actionable steps to resolve the

If you have followed all five solutions and still face the error, your Windows installation may have deeper corruption. Run sfc /scannow and DISM /Online /Cleanup-Image /RestoreHealth before contacting PTC Technical Support.

This error is highly common in isolated, air-gapped industrial environments, or on legacy machines running operating systems like Windows 7 or unpatched Windows Server editions. Why This Error Occurs use the OPC UA Configuration Manager

The "Installer was unable to find required root certificates" error in Kepware occurs primarily on offline systems due to missing root certificate authorities, which prevents digital signature verification. Resolving this issue involves manually importing the necessary DigiCert or GlobalSign root certificates into the Windows Trusted Root store using the For more details, visit PTC Support

If the installer finishes but connections fail, use the to swap and trust client/server certificates.

Edit an existing Group Policy Object (GPO) or create a new one targeted at your industrial computer OU.

: If the error occurs post-installation during connection, use the OPC UA Configuration Manager