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

To resolve this, you must ensure the host machine trusts the certificates used by PTC Kepware.

Kepware often provides different installation packages. The full setup package strictly enforces signature validation.

[Info] Check local computer, Trusted Root CAs, returned: -2146893807 [Info] CheckRootCert, GlobalSign Failed, returned: 0x65B [Info] CheckRootCert, VeriSign Failed, returned: 0x65B

To resolve this issue, follow the steps below in order of preference.

Use the to add the Certificates snap-in for the Local Computer . To resolve this, you must ensure the host

When you double-click the Kepware installer (e.g., KEPServerEX.6.14.200.0.exe ), the following sequence occurs:

When running the or PTC Kepware products installer, the error message "The Installer was unable to find required root certificates" typically occurs because the host operating system lacks up-to-date certificate authorities required to verify the installer's digital signature . This is common on legacy systems like Windows 7 or servers that have been offline and missed critical Windows Updates . Core Reasons for Failure

In many plants, Windows Update is permanently disabled to prevent unexpected reboots. To avoid this error in the future, include as part of your standard server "hardening" or commissioning checklist before moving equipment to the production floor.

Once you complete the manual certificate injection, verify that Windows recognizes the signature: eligible version - PTC Community [Info] Check local computer, Trusted Root CAs, returned:

Move the downloaded .cer or .crt files to the target machine via a secure USB drive or authorized data transfer path.

I’ll help you identify the specific missing root CA.

When the setup wizard executes, Windows checks the installer’s code-signing certificate chain up to its root certificate authority (CA). The installer abruptly fails if Windows cannot trace this path.

If the above fails, extract the exact required root: This is common on legacy systems like Windows

This definitive troubleshooting guide details why this error occurs during the PTC Kepware setup process and provides step-by-step methods to bypass it, even if your machine cannot access the internet. Why Does This Error Occur?

: If the machine is offline or cannot be updated, you must manually install the required certificates into the Local Machine Step-by-Step Manual Installation

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