Unable to Integrate with CSA

Hello, 

 

Whenever i try to add the CSA  datasource, i get the following error:

"Failed to save the CSA information due to wrong credentials or URL"

The URL is https://IPADDRESS:8444 and the credentials are tested and working.

The VPV version is 3.0.0 and the CSA version is 4.7.
(The vpv firewall is disabled and communication works)

 

Is there anything else i should check???

Thanks.