Learn about backing up a database in NOARCHIVELOG mode.

For an Oracle database running in NOARCHIVELOG mode, the database must be in a consistent state when you create a VSS snapshot. Backups made while the database is open read/write are not supported.

• Making Component-Based Backups of a NOARCHIVELOG Database
  For an Oracle database in NOARCHIVELOG mode, the only supported component-based VSS snapshot is of Oracle Database when the type is full, default, or copy.
• Making Volume-Based Backups of a NOARCHIVELOG Database
  Learn how to make volume-based backups of a NOARCHIVELOG database.