Search for	Example	Results
A single word	`cat`	Topics that contain the word "cat". You will also find its grammatical variations, such as "cats".
A phrase. You can specify that the search results contain a specific phrase.	`"cat food"` (quotation marks)	Topics that contain the literal phrase "cat food" and all its grammatical variations. Without the quotation marks, the query is equivalent to specifying an OR operator, which finds topics with one of the individual words instead of the phrase.

Search for	Operator	Example
Two or more words in the same topic	`AND` `and` `+` (plus symbol) `&` (ampersand)	`cat AND dog` `"cat food"+milk` `"cat food"&"dog food"`
Either word in a topic	`OR` `or` `\|` (pipe)	`cat OR dog` `cat \| dog`
Topics that do not contain a specific word or phrase	`NOT` `not` `!` (exclamation point)	`NOT cat` `! dog`
Topics that contain one string and do not contain another	`^` (caret)	`cat ^ mouse`
A combination of search types	`( )` parentheses	`cat + (dog \| mouse)` `cat \| dog + (! mouse)`

Service Management2017.11

Administer > Scheduled maintenance > Running a Scheduled Maintenance task > Repeat criteria limitations

Repeat criteria limitations

Many fields within Configuration Management that contain numeric values are character fields. This enables you to store unit values with the numeric data. A typical value can be 1,024 MB or 2,000 lbs. Scheduled maintenance can perform comparative operations on these fields by removing non-numeric characters and treating the result as a number. Thus 1,024 MB becomes 1024 when ITSMA Service Management compares it to a threshold value.

Scheduled Maintenance does not consider the source of a change when it monitors the requested field on a device. Scheduled Maintenance reacts to any change from an interactive user, a background task, or a remote agent.

It is possible to have multiple demand maintenance tasks linked to the same device. If a single update can trigger more than one demand task, then each task runs independently. You can potentially create two or more maintenance tasks as a result of a single change to a device.

Scheduled Maintenance reacts to changes in the device record, not changes in the maintenance task. If you create or modify a maintenance task that depends on the current state of a monitored record, the task does not run until there is a change to the monitored device.

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