The point data set from table
points in the Microsoft Access Database (mdb) file
data.mdb is visualized as layer
points.lyr in ArcMap 10.6. The coordinate system is known. However, it is not allocated yet, i.e. the property of
Coordinate System: Undefined. How can I allocate the coordinate system to
points.lyr? The tool
Data Management Tools >
Projections and Transformations >
Define Projection works for raster files. However, it seems not to work for a layer file with data from a mdb-file.
It is verified that the dataset is neither used by another application, locked nor read-only.