Rockwell Automation FactoryTalk Historian SE ProcessBook 3.2 User Guide - Manual (Page 329)

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System Administrator Notes
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Dynamic symbols on the display are presented in the same manner as any
other symbol attached to a disconnected server, though there is no recovery
unless the primary server comes back online.
If this occurs after the display is already open, ProcessBook detects the loss
of connection, as described previously, and tries to reconnect to the server.
This call fails, generates the same error as in the previous case (The
requested server in not currently available, Primary), and updates the
Status Report dialog box.
MDB to AF Migration
Module Relative Display Add-in
The Module Relative Display (MRD) Add-in, included in ProcessBook
v3.2 and earlier, allows you to show data from a Module Database module
on dynamic symbols in FactoryTalk Historian ProcessBook. This feature