Sorry about the confusion.The FME Server 2017.0 doc is now live.
https://docs.safe.com/fme/html/FME_Server_Documentation/Content/WebUI/Create-AD-Server-Connection.htm?Highlight=sso
Thanks, it seems the documentation on SAFE's website isn't completely up to date - e.g.the bit on using Active Directory authentication still refers to configuration file settings that aren't in the new version.The built in documentation seems ok though so thanks for that.
I got the connection working by giving the service account full access to the FME server directories and setting the FME Engine service to log on as the service account
I usually get to the documentation via the help menu directly from within fme server.
The following link is for all the available documentation:
https://support.safe.com/KnowledgeDocumentation