Clicking the metadata tab in ArcCatalog displays 'Warning! Not implemented'

Description

Clicking the metadata tab in ArcCatalog displays 'Warning! Not implemented'.

Cause

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).

Note:
This issue is not reproducible at ArcGIS 9.3 or ArcGIS 9.3 Service Pack 1.

Workaround

• Download and install ArcGIS Desktop 9.2 Service Pack 6. See the link in the Related Information section below.
• Upgrade to ArcGIS Desktop 9.3.
• Uninstall the Microsoft XML Core Security Update (KB955069).