Have a look at the following article on how to do this:
Set the values based on your needs.
Let me know if this is what you were looking for.
Chris Foley | Support Specialist
SolarWinds | IT Management, Inspired By You
Support:866.530.8040 || Fax:512.857.0125
That looks to be more or less what i want to do, but it seem to be changing a different value.
Also, in 10.5, it seems the process has changed with a drop down menu now.
Attached is the value i want to change.
Capture.PNG 53.8 KB