You can do that by setting the 'Task Assignee Group' to Service desk for the required metric from Configuration > Health Preferences. This is explained in the below URL:

https://docs.servicenow.com/bundle/utah-servicenow-platform/page/product/configuration-management/ta...

Also the following URL has details on how to create remediation rules:

https://docs.servicenow.com/bundle/utah-servicenow-platform/page/product/configuration-management/ta...

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