The collector will be treated as dead for only 12-24 minutes from the moment of its inavailability; however, this may lead to the problem of having innacurate monitoring.
By default, the polling timeout interval for collector is 12 minutes.
Below are the steps to decrease the polling timeout for EMS:
Locate the following lines:
<setting name="PollingTimeout" serializeAs="String">
The value is specified in milliseconds. You can edit it as you find appropriate. When the edit is complete you may save the file and start the nworks Enterprise Manager service.