- If you experience problems with your database, and can no longer use it, you may wish to use a backed up copy of the database. This assumes that you have been backing up your database. Refer to Backing up.
- It is not possible to restore a backup file created in NOAH System 3.5.2 into a 3.6.1 or later installation. This will result in an error message with error code 80040959. Refer to Backup and Restore Issues.