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The Project tool in ArcGIS Pro (2.4.0) is not accepting the NTv2 grid files for Geographic Transformation

Question asked by davidl4454 on Nov 4, 2019
Latest reply on Nov 5, 2019 by davidl4454

Hi, We are attempting to transform our GDA94 datum data to GDA2020. We have downloaded the NTv2 grid files and stored them in the appropriate folders and renamed as per the ESRI technical blog -


However, the Project geoprocessing tool in Pro (2.4.0) is not accepting the NTv2 files, it is giving an 'ERROR 000365 invalid geographic transformation' message.


Has anyone else experience this, know of a solution?