Basically you can use User Profiles for Confluence with Crowd, but there is a catch: The synchronization feature of User Profles for Confluence does only support directly connected LDAP-based directories, like Active Directory.
So, what will work?
/wiki/spaces/upp/pages/9414235 within Confluence.
And what won't?
Examples:
The ability to synchronize User Profles for Confluence with Crowd is not currently supported but there is a workaround available.
The workaround is to add the user directory containing the desired user information as a second user directory to your Confluence. This will then be connected to the Crowd. (for more info see:https://confluence.atlassian.com/display/DOC/Configuring+User+Directories).
There are several constraints for this scenario:
If you have any further questions, please do not hesitate to contact us at products@communardo.de.