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Can history be inserted into PI OPC HDA Server if the PI tag has a value with a newer timestamp?

Question asked by RobertBlue on Oct 20, 2017
Latest reply on Oct 23, 2017 by klum

Need to backfill PI Server history because of a 10 day gap (3 weeks ago).

(1) Can an OPC HDA client write history into PI Server through the PI OPC HDA Server if the PI tags already have values with newer timestamps?

(2) Are there alternative methods such as using ipisql.exe to write history into the PI Server?