yes there is
look in the release notes item :
More control on Source Control Exceptions
You have now more control on the behaviour when the source control has
problems getting the modifications.
Look at Project configuration for the following settings :
° maxSourceControlRetries,
° stopProjectOnReachingMaxSourceControlRetries
° sourceControlErrorHandling.
http://confluence.public.thoughtworks.org/display/CCNET/Project+Configuration+Block
with kind regards
Ruben Willems