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Updating the Registry

Procedure

From the Start menu, select Run, type Regedit, and then select OK. The Registry editor appears.
Open the following key folder: HKEY_LOCAL_MACHINE\SOFTWARE\GE Digital\iHistorian\Services\OPCHDACollector\.
Locate the Key created with the ProgID of the OPC Classic HDA server, which you entered during the installation of the OPC Classic HDA collector.
Locate the registry OfflineTagConfigurationFile.
Enter the full path of the offline XML file. For example, c:\ Program Files\GE Digital\Historian OPC HDA Collector\Config\OPCHDA_Kepware_Offline_Config.xml.
Restart the OPC Classic HDA collector for the change to take effect.