PROBLEM
If you use the ArcMap GeoProcessing Wizard on data that has M, Z, or Point ID values, these values are not maintained in the output. The following operations are affected: Dissolve, Merge, Clip, Intersect, and Union.
The data model used by the ArcMap GeoProcessing Wizard does not support update or maintenance of M, Z, or Point ID values.
There is no work-around for this issue.
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