Author | Ellis Douglas
Version | 1.0
Updated | 28th May 2026
Categories | [support]
An article detailing support on extensions not being approved to install on the platform for Windchill+ servers.
During deployment of an extension in Windchill+ server on Platform 2.15, deploying any WC+ compatible extension will still show an error saying it is not approved to install on the platform.

Update to Platform 2.16
Or
Update to latest CPS (Releasing in June 2026):