| Error | Severity | Description (Message Text) |
| 9001 | 10 | The log for database '%.*ls' is not available. |
| 9002 | 19 | The log file for database '%.*ls' is full. Back up the transaction log for the database to free up some log space. |
| 9003 | 20 | The LSN %S_LSN passed to log scan in database '%.*ls' is invalid. |
| 9004 | 21 | An error occurred while processing the log for database '%.*ls'. |
| 9005 | 16 | Either start LSN or end LSN specified in OpenRowset(DBLog, ...) is invalid. |
| 9006 | 10 | Cannot shrink log file %d (%s) because total number of logical log files cannot be fewer than %d. |
| 9007 | 10 | Cannot shrink log file %d (%s) because requested size (%dKB) is larger than the start of the last logical log file. |
| 9008 | 10 | Cannot shrink log file %d (%s) because all logical log files are in use. |
| 9009 | 10 | Cannot shrink log file %d (%s) because of minimum log space required. |
| 9010 | 14 | User does not have permission to query the virtual table, DBLog. Only members of the sysadmin fixed server role and the db_owner fixed database role have this permission |