Ok, I have a server running Windows 2003 Server. This machine makes digital recordings of phone calls and radio traffic. It has two DSP boards in it that take the audio from my equipment and process it to make WAV files. These files are then written to mirrored C and D drives. There are two DVD archiver drives, one runs at a time, which backs up continuously (more or less) the files from 29 days ago. So, each day, it moves to the next day - and any recordings on the C and D drives more than 30 days old are overwritten. PROBLEM: It is barely getting it's job done. Sometimes, just the act of logging on and copying a WAV to a temp folder on the DC1 server will lock it up! We have to reboot it to get it back. It has become slow to respond to keyboard commands (like a logon) but it seems to be making it's recordings reliably, so far. The machine has served well since 2003, it started slowing down in December of 2008. It had a bad DVD drive, we replaced both of them successfully and archiving works again - but it's still "scary slow". In task manager, memory usage looks to be about 20% and CPU usage is (ready for this?) usually around 15% or less! This is at the very time it's responding slowy - it took it over 1/2 minute to bring up the task manager and display that information! WHAT is slowing it down? Memory? A bus problem? Bad hard drive? The ghost of someone killed on the property in 1942?