For some reason I get Authentication failures every now and then (tried several configuration options).
I have not yet been able to pin point what is causing this, but I have noticed that jobs do not stop their execution when AccuRev fails to authenticate.

In my opinion, if a new version could not be retrieved from the VCS, there is no point in continuing the execution of the job and the job should be stopped.
This is currently not the case.

"Luckily" I use the Clean Workspace plug-in, so my build fails because the necessary files are not found, because the checkout failed.
However, I'm pretty sure that not everyone will be in the same situation and it is silly to continue with an unknown/unwanted state.