This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Dong, That message means that the database is not up. In Windows, you can go to the control panel and start it. Another common problem, which will show up when starting db2, is that the password is locked out or expired. Again, go to the control panel and unlock the password.