Clicking the metadata tab in ArcCatalog displays 'Warning! Not implemented'.
This occurs on ArcGIS Desktop 9.1 final, Service Pack 1 or Service Pack 2 or ArcGIS Desktop 9.2 final or Service Pack 1, 2, 3, 4 or 5 after installing Microsoft XML Core Security Update (KB 955069).
This issue is not reproducible at ArcGIS 9.3 or ArcGIS 9.3 Service Pack 1.
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