To help monitor blocked sessions, set warning and critical thresholds to indicate how many blocked sessions are in the Normal or Warning range.
- In the Unity Setup portlet, click the Thresholds tab.
- Click the Blocked Sessions tab.
-
Modify the thresholds for one or more blocked sessions in the graphs.
Option Description Set critical threshold Do one of the following: - Locate the
icon that marks the beginning of the critical 
section of the column. Click and hold icon to move it up (increases threshold) or move it down (decreases threshold). - Enter a value into the number indicator next to the slider.
Set warning threshold Do one of the following: - Locate the icon that marks the beginning of the warning
section of the column. Click and hold icon to move it up (increases threshold) or move it down (decreases threshold). - Enter a value into the number indicator next to the slider.
- Locate the
- Click Apply.