If the report is being processed on the server, there is no problem. When the report is processed from a workstation in a client server environment the report takes at least twice as long to process, sometimes it doesn't process at all.
We are currently evaluating this issue and will update this article when we have more information
Steps to Duplicate
1. Run report on workstation in client server environment, notice the time 2. Run report directly on the server, the report processes within an acceptable time and there is no error.