When the Kepware setup wizard boots up, its internal runs a localized machine check: The Installer was unable to find required root certificates
The installation failure boils down to code signing and security validation. Modern Kepware installers are digitally signed using certificates from established Certificate Authorities (CAs) such as , VeriSign/DigiCert , or Microsoft .
with elevated permissions to allow the installer to access or update system stores. Review: Kepware KEPServerEX When the Kepware setup wizard boots up, its
If your server is deployed on an air-gapped factory floor or a legacy OT network where Windows Update is restricted, you must manually import the missing root certificates into the local computer store. Step 1: Export the Certificate from a Working Machine
If your computer is in an offline environment (a common industrial scenario), you must manually update the certificate store. Review: Kepware KEPServerEX If your server is deployed
Open the log file and search for the phrase CheckRootCert . If the issue matches this scenario, you will see lines resembling: [Info] CheckRootCert, GlobalSign Failed, returned: 0x65B. [Info] CheckRootCert, VeriSign Failed, returned: 0x65B. [Info] CheckRootCert, MS_CRT Failed, returned: 0x65B.
This error typically occurs when your system lacks the updated root certificates required to verify the digital signature of the KEPServerEX installer. It is most common on machines without active internet access or those with disabled Windows Updates. If the issue matches this scenario, you will
Click Browse, select , and click OK. Complete the wizard. Restart the Kepware Installer. 3. Disable Secure Boot (Temporary Workaround)
Knowing these details will allow me to provide the exact command line arguments or download links you need. Share public link