Please provide guidance on how the REST APIs should be handled with SSO enabled for On Premise customers?
Release : Any
If you're using SSO you must use Key-Based Authentication. Please check out the following steps:
1. See if you have followed all steps to enable Key Based Authentication here:
Section Key-Based Authentication
2. Ensure you follow the instructions to use tokens as in section Using REST API Key in SSO Environments (On-Premise only)
3. Try also accessing the link as below with GET:
https://SERVERNAME:PORT/ppm/rest/v1/projects