Turn On Debug Mode for Trace Log Files

About this task

The Trace Logging feature logs communications with the OPC Classic HDA server into an html file. Advanced users can use this log file to trace a history of communication events with the OPC Classic HDA collector server. It is designed for use by the support personnel only to assist in diagnosing issues with the Historian OPC Classic HDA server. By default, the log file is located in the following folder: C:\Proficy Historian Data\LogFiles.
The log file contains the following information:
  • The date and time when an event has occurred.
  • Errors and exceptions in parameters passed by an OPC HDA client.
  • The status of an OPC HDA client.
For an example trace log file, refer to Example Trace Log File.

Procedure

  1. Access Registry, and then access the following key folder:
    • For Windows 32-bit: HKEY_LOCAL_MACHINECLASSES_ROOT\SOFTWARE\Intellution,inc\iHistorian\HDAServer\
    • For Windows 64-bit: HKEY_LOCAL_ MACHINE\SOFTWARE\Wow6432Node\\Intellution, Inc.\iHistorian\HDAServer\
  2. Modify values for DebugMode DWORD as follows, and then select OK:
    1. In the Base box, select Decimal.
    2. In the Value box, enter 255.

Results

The debug mode is turned on for the trace logs.