Resolve issues with SQL 2005 differential backups.
Backup report or application schedule report message as follows:
----- Error Messages -----
Cannot perform a differential backup for database namedb, because a
current database backup does not exist. Perform a full database backup by
reissuing BACKUP DATABASE, omitting the WITH DIFFERENTIAL option.
BACKUP DATABASE is terminating abnormally.
----- End Error Messages -----
Update SQL Server 2005 with Service Pack 3, click the link below and download the files most appropriate for you.
* Download SQL Server 2005 SP3
Operation may break the differential backup chain of a SQL Server database and
may invalidate the differential backups when you perform a snapshot backup of
the database http://support.microsoft.com/kb/903643
http://support.microsoft.com/kb/921106 You receive an error message when you
try to create a differential database backup in SQL Server 2005
For more detailed information on backup failures and performance issues see Unitrends KB 5062 - Backup Failures and Performance Issues