McAfee GroupShield 6.0.2 for Microsoft Exchange 2000 includes a utility that helps manage this issue. The utility is called PurgeOldDefinitions.exe and is installed automatically with GroupShield 6.0.2.
To use the utility:
Click Start, Run, type cmd and click OK to open a command session. Type CD \Program Files\NeworkAsociates\McAfee GroupShield\Bin and press ENTER. At the prompt, type PurgeOldDefinitions <Number of DATS to be Retained> and press ENTER. (where <Number of DATS to be Retained> is a number)
For example, to retain only the two most recent DAT folders, excluding the current DAT folder, type PurgeOldDefinitions 2 and press ENTER. In addition to the <Number of DATS to be Retained> described above, additional options can be specified at the command line. These can be used as follows: PurgeOldDefinitions <Number of DATS to be Retained> Options Options : (Optional parameter) should be one of the three (GSE | SKE | BOTH) Defaults to BOTH GSE : Retains only X definitions of Dats in the dat folder SKE : Retains only X definitions of Rules & Engine in the corresponding folder BOTH : Retains only X definitions of Dats,Rules & Engine in the corresponding folder.
This utility can also be scheduled to run using Windows scheduler. For more details, please refer to Chapter 5 of the McAfee GroupShield 6.0.2 release guide.