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View the Collector SHOW (DataCollector.shw) file in C:\Historian Data\LogFiles\xxxCollector.shw to review the current Data Collector configuration.
View the DataCollector.LOG file in C:\Proficy Historian Data\LogFiles\xxxCollector-01.log to detect operational errors with Tags.
If you are using aggregate data, such as average, minimum, or maximum, use a
chart display such as the trend option or the Excel Add-In to sample and then
observe how data is stored.
If you are not certain about what is happening, turn off Collector Compression and Archive Compression and observe how raw data values flow into the archive. Be sure to export the tag configuration first so you can return to the original configuration.
Note: If you are upgrading from a previous version of Historian, then the Archives, LogFiles, and BufferFiles destination paths will remain unchanged. By default, C:\Program Files\Proficy\Proficy Historian\Logfiles\.