Incremental or differential backup of SQL database fails. (80538)

Date - 06/2011
Affected Product & Version - NetVault: Backup 8.0 and later
Affected Module & Version - APM for SQL Server (Version 5.0 and later)
OS Version - Windows 2000/2003/2003 R2/2008
Application Information - Oracle 10.0.2.x


Description:
Incremental or differential backup of SQL database fails.


Symptoms:
Incremental or differential backup of SQL database whose recovery model is "SIMPLE" fails with error below.

ERROR: Backup log '<db name>' ( backup type: 'TRANSACTION/LOG NORMAL') is unavailable

Log backups are not supported for the database configured with "SIMPLE" recovery model. As Full backup is allowed for this recovery model, point-in-time recovery is not allowed for this recovery type of the SQL database.