Allow setting the max SCM content threads on non-build definition builds, I have tried to do it through preferences.properties and through -Dteam.scm.maxContentThreads=100 to no avail.

I think there is some code being thought of but it isn't fleshed out yet.

https://github.com/jenkinsci/teamconcert-plugin/blob/master/com.ibm.team.build.hjplugin-rtc/src/main/java/com/ibm/team/build/internal/hjplugin/rtc/RepositoryConnection.java#L430