Days since last backup alerts

The Days since last backup alerts indicate the number of days that databases (per-database or at the instance level) have not been backed up.

Days since last backup at the instance-level

The Days since last backup alert applies to any database at the instance level. This alert is enabled by default.

To configure thresholds and employ alert filters such as excluding specific databases, follow these steps:

To configure an instance-level alert:

1. Right-click a SQL Server instance in the Servers tree.
2. Select Configure Alerts.
3. Select the Days since last backup metric in the Alert Configuration window.
4. Click Edit to modify default threshold (number of days).
5. Check the boxes next to Informational, Warning, and Critical to include alerts for these states.
6. Change the alert thresholds by moving the arrows to the appropriate levels or by double-clicking the value and typing a new threshold level.
7. Click Advanced to apply advanced settings such as alert suppression or alert filters (excluding a database from alerts).
8. Click OK to accept your changes.

Days since last backup per-database

The Days since last backup alert applies to a specific database in your monitored SQL Server instance. This alert is disabled by default.

To configure thresholds and employ alert filters such as excluding specific databases, follow these steps:

To configure a per-database alert:

1. Right-click a SQL Server instance in the Servers tree.
2. Select Configure Alerts.
3. Select the Days since last backup metric in the Alert Configuration window.
4. If the metric features a per-database, on the Configuration tab of the Alert Configuration window, click Add. Use the drop-down list to select the database to which you want to apply these settings. 
5. Check the boxes next to Informational, Warning, and Critical to include alerts for these states.
6. Change the alert thresholds by moving the arrows to the appropriate levels or by double-clicking the value and typing a new threshold level.
7. Click Advanced to apply alert suppression.
8. Click OK to accept your changes.