For the first several hours CPU utilization will be below 5%. Then all of a sudden it screams at a solid 50%. Once I restart the TS3 server application it goes back to normal. This is on a low user server with under 10 users.

Does anyone know what the issue may be?

TS3: 3.0.0-beta30 [Build: 12998] on Windows
CPU: Intel P4 640 3.2GHZ 2MB
NB : Intel i915P/i915G
SB : Intel 82801FB
RAM : 4096 MB DDR2 Dual Channel (3GB Usable)
RAM Speed : 266.4 MHz (3:4) @ 4-4-4-12
VIDEO: Nvidia Geforce 8400
HDD: 250GB 7200RPM SATA