Dailysum.exe May Use 100% of CPU or Disk Resources

You may notice that 100 percent of the CPU resources and large amounts of disk space are being used. If you start Task Manager, you may see that large amounts of memory are attached to the Dailysum.exe process. If you attempt to stop this process, an "Access denied" error message is returned. You may also see large files in the Program Files\Microsoft ISA Server\ISALogs folder.

Dailysum.exe is an Internet Security and Acceleration (ISA) Server component. Dailysum.exe runs at midnight every night by default; it runs reports that are specified by the ISA Server configuration. Dailysum.exe runs even if there are no reports specified. Dailysum.exe may continue running if the ISA Server log files are corrupted.

For additional information about a hotfix for this issue, click the following article number to view the article in the Microsoft Knowledge Base: Or, to stop Dailysum.exe and regain control of the system, use the Kill.exe tool from the Microsoft Windows 2000 Resource Kit or from the Microsoft Windows NT 4.0 Resource Kit. Use the following command: The Process Identifier (PID) number for Dailysum.exe can be determined either by using the command list or by using Task Manager.

The easiest way to resolve an issue with corrupted ISA Server log files is to delete the ISA Server log files in the following folder:

Microsoft has confirmed that this is a problem in Windows 2000.