Symptoms:
Receiving SAML2 authentication error or Timeout when accessing OpenAPI at
http://<DA hostname>:8581/odata/api
Environment:
Applies to Performance Manager 2.4+
Cause:
The API at http://<DA hostname>:8581/odata/api does not support SAML2 authentication
Resolution/Workaround:
Use the QueryBuilder at http://<DA hostname>:8581/odataquery
In case you see further Problems with your SAML2 setup you can login with a local CAPC user account that does not authenticate with SAML2.