In Cisco Unity 4.0.3, the application log shows this error message:
"SQLSERVERAGENT 208 SQL Server Scheduled Job 'SqlNightlyBackupJob' (0xDD76B87067B64E4EA8BE7C8EE0B05F59) - Status: Failed - The Job was invoked by Schedule (Nightly UnityDb Backup Schedule). The last step to run was step 2 (BackupUnityDbLog)".
Cisco Unity 4.0(5) and earlier versions where the Unity installation account has had privileges revoked or the account is disabled. The hard drive may not be full, but the Unity database and/or logfiles exceed 100MB for every 10K Unity subscribers in the environment.
This issue is also resolved in the Cisco Unity versions Unity 4.1(1) and later. To resolve the issue, upgrade to Cisco Unity versions Unity 4.1(1) or later which can be downloaded from Software Download-Cisco Unity 4.1 Software .
For related information, refer to the following Cisco Known Issues.