WSS V3 out of the box has extensive logging activity, Logs can be usually found in this directory and tend to grow significantly over time: C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\LOGS
If you are running WSS V3 in a developement environement or in a VPC and want to optimize resources, you can disable logging activity by doing the following:
Please remember that once you have disabled logging it will be impossible to troubleshoot any PS nor WSS errors. This is not a recommended setting for any production system!
In Christophe’s recent blog about logs he explained how to turn them off. Sometimes though we need to