It doesn't exist, because it is not transformed by Microsoft. It's one of the forms that can't be mapped to a page in RTC because of layout limitations in RTC. That from has multiple subforms visibility of which can be controlled through code. Something like that cannot be achieved in RTC because in RTC you can bind Visibility to an expression, but the expression is evaluated only once when page is opened, and then it's not updated.
You might be able to achieve similar functionality only through temporary tables and some coding. Nothing out of the box, unfortunately.
(Co-)author of "Implementing Microsoft Dynamics NAV 2009" http://vjeko.com/
That's strange since there's a similar page ID 6035 "Customer Service History", and it works fine. It looks like microsoft has gone lazy on this page ID 7171.
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You might be able to achieve similar functionality only through temporary tables and some coding. Nothing out of the box, unfortunately.
http://vjeko.com/