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What Username and Password Is Used if Not Specified in the Connect String?

If you leave a username and password empty in the connect string, then the user that owns the process, usually the currently logged-in user, is passed to the archiver for validation. For example, this statement leaves the username and password empty:

ConnectionString="Provider=ihOLEDB.iHistorian.1;User Id=;Password="

This statement also leaves the username and password empty:

ConnectionString="Provider=ihOLEDB.iHistorian.1"

If you saved username and password information in the Historian Administrator or the iFIX WorkSpace for connecting to that server, that information is not used by the OLE DB Provider.