The following messages are observed at the logs:
Mar 3 15:55:42 <local0.debug> GMT LAB01ADC1 0-PPE-0 : default AAATM Message 1903432 0 : "Parsing sso url" Mar 3 15:55:42 <local0.debug> GMT LAB01ADC1 0-PPE-0 : default AAATM Message 1903433 0 : "Parsing sso url" Mar 3 15:55:42 <local0.info> GMT LAB01ADC1 0-PPE-0 : default AAATM Message 1903434 0 : "Unable to parse metadata imported" <--- This message.
Federation metadata XML is larger than we can process at the ADC. We have a metadata file size limitation of 64K by design at the ADC to import
This is documented under our internal Bug/Enhancement database, to increase that file limit at the ADC, but It is pending to be implemented with no defined release time yet