How to Restore SQL Server 2000 Backup Files to SQL Server 2005

We often encounter backup and restore issues when moving databases from SQL Server 2000 to SQL Server 2005; this article describes the differences in the conversion process. (If you prefer a simpler method, you can detach the SQL 2000 database and attach it to SQL 2005.) If you only have a backup file, you must use the steps below.

The restoration method differs from the SQL 2000 approach; the specific steps are as follows:

1. Perform a direct restore operation.

2. Select the SQL 2000 backup file (if the backup file lacks a *.bak or *.trn extension, add the appropriate extension).

3. If the restore path is inconsistent, make the necessary adjustments.

Detailed explanation:

If we have a SQL Server 2000 database backup file and want to restore it to another SQL Server 2000 database, the procedure is:

1. On the target database server, open SQL Server 2000 Enterprise Manager and create a new database with the same name as the original. 2. Right‑click the new database, choose "Restore Database", and in the subsequent window select "From device". 3. Add the SQL Server 2000 backup file, check the option to overwrite the existing database, and click OK to complete the restore.

Key point: When restoring a SQL 2000 backup to SQL 2000, you must create a new database with the same name as the original; when restoring to SQL 2005, you must NOT create a new database beforehand, and the database name can be any name, not necessarily matching the original. Additionally, the backup file must be placed in the appropriate path.

Furthermore, ensure the backup file is stored in the correct directory before performing the restore.