This appears to be a known issue. I found this in the 4.2.5 release documentation:
| Agent | Cannot connect via authenticated proxy using HTTP | CORE-74489 | 
https://docs.appdynamics.com/display/PRO42/Release+Notes#ReleaseNotes-4.2.5Updates
Regards
This appears to be a known issue. I found this in the 4.2.5 release documentation:
| Agent | Cannot connect via authenticated proxy using HTTP | CORE-74489 | 
https://docs.appdynamics.com/display/PRO42/Release+Notes#ReleaseNotes-4.2.5Updates
Regards