Adjust the settings for logging so that only what you
really want logged will be written to the security log,
and so that it is of sufficient size.
Investigate why it is getting full - what is happening
that makes that many security events get logged ?
There are settings to allow the events to overwrite older
events when there is now longer unused space.
This is all very standard stuff that has been this way as
long as there has been NT. You should have no problem
finding info on this. You have clients and have not yet
obtained a good fundementals book on Windows ? Perhaps
the time has come.
