Ludek,
Afraid its not a load issue as its not in production yet but is due to go live next month. Only a few testers with different user accounts have access.
I have seen this occur on Windows Server 2008 and 2012.
ProcessMonitorCrystalReportErrorLogfile.CSV
ProcessMonitorCrystalReportSuccesLogfile.CSV
Files above were captured on Windows 2012 Process Monitor but cannot interpret if anything is an issue or not?
Regards
Nick
