Article - CS345752
Error "This site is not secure. The security certificate of this website cannot be trusted." when trying to register a server in Creo Parametric
Modified: 02-Dec-2025
Applies To
- Creo Parametric 5.0 to 12.4
- Windchill PDMLink 11.0 to 13.1
- Creo+
Description
- Error "This site is not secure. The security certificate of this website cannot be trusted" when trying to register a server
- Unable to connect Windchill Server with Creo Parametric after new workstation setup with the following warning message
- On new workstation connection to the Windchill server gives the following warning message
- Server registration in Windchill Workgroup Manager (WGM) fails with below error
This site is not secure. The security certificate of this website cannot be trusted
- When user tries to register windchill in creo with url like https://<windchill host>/Windchill or http://<windchill host>/Windchill, two pop-up windows will show simultaneously:
- Certification Error: This site is not secure. The security certificate of this website cannot be trusted
- The Windchill Server is unreachable, This may be because of server being down or the location URL Provided is incorrect
- Accessing Windchill in embedded browser results in no response / blank page, while in a standalone browser users can still log in despite the “Not Secure” warning
- Embedded browser in Windchill Workgroup Manager cannot load any webpage
- "The site is not secure" error shown even after installing certificate exported from the Standalone Browser server URL
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