Symptoms
The approval requests (ApprovalSystem) are timing out after 60 minutes
Resolution
The default timeout period for the APPROVAL inside ARA - the default timeout setting for the activity on ARA (generally not only for APPROVAL ) is set in "customer.config"
Look for the Activity section as below (the time unit is in minutes), see excerpt from the customer.config:
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<!-- ____________________ Activity ____________________-->
<Activity>
<!--How many minutes can an activity be started/restarted before its planned start date. -->
<add key="StartTimeTolerance.BeforePlan" value="60" />
<!--How many minutes can an activity be started/restarted after its planned start date. -->
<add key="StartTimeTolerance.AfterPlan" value="60" />
<Calendar pageSize="100">
</Calendar>
</Activity>