Kepware The Installer Was Unable To Find Required Root Certificates Exclusive (2027)

If the server must remain offline or cannot be updated, you must manually install the required root certificates (often from issuers like GlobalSign or VeriSign):

Manually choose the store for the placement.

Obtain the necessary root certificate files ( .cer or .crt ) from a machine with internet access or directly from the PTC Support Portal . If the server must remain offline or cannot

To resolve this issue, you must ensure the system can trust the certificates used by the Kepware installer.

Right-click the certificate file and select . Right-click the certificate file and select

: Users on older operating systems like Windows 7 or Windows XP SP3 frequently encounter this because these versions no longer receive automatic certificate updates.

The most straightforward fix is to connect the machine to the internet and run Windows Update . This allows the OS to automatically update its Trusted Root Certification Authorities store. This allows the OS to automatically update its

The error message typically occurs during the installation or upgrade of PTC Kepware products when the Windows operating system lacks the necessary updated root certificates to verify the installer's digital signature. This is common on systems that are offline or have disabled Windows Updates, as they cannot automatically download new Certificate Revocation Lists (CRLs) or Trusted Root CAs. Primary Solutions

C:\Program Files (x86)\PTC\ThingWorxIndustrialConnectivity\bootstrap.log Look for entries like CheckRootCert, GlobalSign Failed to pinpoint the missing authority. Common Scenarios and Troubleshooting

If manual installation of GlobalSign or Microsoft root certificates does not work, it is recommended to open a support ticket with the Kepware team for specific offline certificate packages.