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

Keywords integrated: kepware the installer was unable to find required root certificates exclusive, Kepware installation error, root certificate missing, KEPServerEX installer fails, Windows cryptographic services, PTC Kepware troubleshooting.

Identifying the exact missing certificate can help speed up the manual import process.

Once you have resolved the "kepware the installer was unable to find required root certificates exclusive" error, adopt these best practices for future rollouts:

Right-click Trusted Root Certification Authorities > All Tasks > Import .

+--------------------------------------------------------+ | Kepware Installer Package | | (Signed with modern SHA-256 Third-Party Certificates) | +--------------------------------------------------------+ │ ▼ +--------------------------------------------------------+ | Windows Security Validation | | Checks Local Machine Trusted Root Store for Anchor | +--------------------------------------------------------+ │ ┌──────────────┴──────────────┐ ▼ ▼ [Certificate Found] [Certificate Missing] │ │ ▼ ▼ Installation Proceeds ERROR: "The installer was unable to find required root certificates" Keywords integrated: kepware the installer was unable to

Maintain a folder on your industrial network containing the .CER files of the top 20 Global Root CAs. This saves hours of troubleshooting during future installations.

: If the error persists, check the installation logs (typically found at C:\Program Files (x86)\Kepware\KEPServerEX\bootstrap.log

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.

: The machine cannot reach the Windows Update servers during installation. : The machine cannot reach the Windows Update

Use a secure method (e.g., authorized USB drive) to transfer the .crt or .cer file to the offline machine. Install the Certificate:

Open File Explorer and navigate to the default Kepware install directory or temp folders. Look for bootstrap.log inside: C:\Program Files (x86)\Kepware\KEPServerEX\ C:\Program Files (x86)\PTC\ThingWorxIndustrialConnectivity\

On the affected machine, update the trusted root certificate list manually:

Because the installer uses modern digital signatures to verify file integrity, the underlying operating system must have updated . If the OS cannot validate the installer's signature against its internal list, it halts deployment to block potentially malicious tampering. Kepware installation error

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.

The installer halts with this error due to two primary reasons:

"The installer was unable to find required root certificates exclusive."

The Kepware installer is not referring to user certificates or machine SSL certificates. Instead, it is checking for required to verify the digital signature of Kepware’s own binaries and dependencies during installation.