[This is prerelease documentation and is subject to change in future releases. Blank topics are included as placeholders.]

Use this page of the Create a unit monitor wizard to build an expression that limits the events to the ones you want to monitor.

This page contains a table for building your expression and the elements described in the following table.

Name Description

Insert

Enables you to insert an expression value in the Value column of the table. You can also insert the Boolean values AND and OR.

Delete

Enables you to delete an expression value or a Boolean value from the table.

Formula

Enables you to view your expression as a formula.

The table contains the following columns.

Column Description

Untitled

When the row is selected, contains a right arrow that, when you right-click, reveals a menu, described below.

Value

A value that is compared to a second value, according the defined operator.

Operator

A drop-down list of the operators you can use.

Value

A value that is compared to the first value, according to the defined operator.

Note
If you don't press TAB after you finish each expression, the value you typed in the second Value column does not appear.

If the Value column contains AND or OR, the menu contains the elements described in the following table.

Name Description

Insert

Provides the same options as the Insert button.

Delete

Deletes the group.

Switch to Or Group

or

Switch to And Group

Changes the AND value to OR, or the OR value to AND.

Collapse

Collapses the rows that make up the group.

If the Value column contains any value other than AND or OR, the menu contains the elements described in the following table.

Name Description

Insert

Provides the same options as the Insert button.

Delete

Executes the same action as the Delete button.

For any value other than AND or OR, the > button displays the elements described in the following table.

Name Description

Use known event property

Enables you to select an event property from a drop-down list.

Use event data parameter

Enables you to define a parameter.

Parameter Number

The number of the parameter you want to use.

See Also

How to Create a Performance Baseline Unit MonitorHow to Create a Performance Threshold Unit MonitorHow to Create Monitors in Operations Manager 2007

Tasks

How to Create a Simple Windows Event Unit Monitor in System Center Essentials

Concepts

Monitors
Self-Tuning Threshold Monitors
Static Threshold Unit Monitors

[an error occurred while processing this directive]