If removing a Controller (MP200/1), what is the best way to free up the tags it is using in 800xA.
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In case the Controller (MP200/1) is going to be completely removed from the MB300 network, I suggest that the Controller Node should be deleted in the Control Structure. When the Controller Node is deleted in the Control Structure, this will free the tags (Faceplates) the Controller Node were using (in the Control Structure).
Afterwards there might be some clean up (Broken References) in possible affected Graphic Displays (VB / PG2) aspects, Trend Display(s) aspects, Log Servers such as IM / 800 xA History etc.
Consistency Check Tool (in Engineering Workplace) can be used to identify Broken References in Graphic Displays (VB / PG2) aspects, Trend Display(s) aspects etc.
I hope this will help you.