Use the following table to find the information you need quickly.
| If you want to... | Refer to... |
| Find out more about DB2 | Appendix D. "How the DB2 Library Is Structured" |
| Solve a DB2 problem | "Determining Origins and Symptoms of Problems", and then the particular chapter or chapters in Part 1. "Basic DB2 Troubleshooting" that address your problem |
| Contact DB2 Customer Service | "Contacting IBM for Support" |
| Collect information as instructed by DB2 Customer Service | Part 2. "Advanced DB2 Troubleshooting" |
| Find the latest information on the Internet | "Using All Available Information" |
| Find and install DB2 fixes | "Updating DB2 Products" |
| Solve problems at the DB2 server | Chapter 2. "Troubleshooting the DB2 Universal Database Server" |
| Solve problems with client connections to a DB2 server | Chapter 3. "Troubleshooting on the Client" |
| Solve problems with DB2 Connect connections to host databases on VM, VSE, MVS, or AS/400, and with host connections to DB2 Universal Database | Chapter 4. "Troubleshooting Host Communications" |
| Solve problems with applications working with DB2 | Chapter 5. "Troubleshooting Applications" |
| Solve problems with DB2 Extended Enterprise Edition | Chapter 6. "Troubleshooting DB2 Universal Database Extended Enterprise Edition" |
| Make applications run faster | "Improving Database Performance" and Chapter 5. "Troubleshooting Applications" |
| Solve problems with data replication | Replication Guide and Reference |
| Find out about the db2diag.log log file, and about tracing | Part 2. "Advanced DB2 Troubleshooting" |
| Solve problems with ADSM | The Administration Guide |
| Solve problems with components that work in conjunction with DB2 (for example, Net.Data or DB2 Extenders) | The manuals for the products, and the DB2 Product and Service Technical Library at http://www.software.ibm.com/data/db2/library/ |