If you are using Service Studio on a Mac running on a VM and you have got this error:

An error occurred while making the HTTP request to https://<PEName>.outsystemscloud.com/ServiceCenter/ServiceStudio.asmx. This could be due to the fact that the server certificate is not configured properly with HTTP.SYS in the HTTPS case. This could also be caused by a mismatch of the security binding between the client and the server.

please try the following:

1. Open C:\Program Files\OutSystems\Development Environment 9.0\Service Studio\ServiceStudio.WS.bindings.config
2. In the second binding you'll find:
        Change this to 
3. Restart Service Studio

If you have your Mac firewall enabled, also please verify that you have an exception for your VM.

Nuno Parreira