When a server attempts to establish bi-directional communication with the OnBase Web Viewer, but is not listed as an authorized source origin in the OnBase Web Server web.config file, the following error message is displayed on the scriptexception tab in the Diagnostics Console:
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Bi-directional communication received message cannot be processed. Source origin < originalEvent.origin > not found in accepted origins list.
When this occurs, bi-directional communication is not established for the session however the document is displayed to the user but the user cannot perform any page actions when using Epic controls.
To configure specific sources as authorized sources for bi-directional communication between your Epic environment and the OnBase Web Viewer, see Enabling Bi-Directional Communication.