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Error: The extension has not been activated

Error Message

When using an extension, ArcMap or ArcCatalog returns the following error:

"The extension has not been activated"

Cause

The referenced extension isn't activated.

Solution or Workaround

Activate the extension.

  1. Start ArcMap or ArcCatalog.
  2. Navigate to Tools > Extensions.
  3. Check the box next to the desired extensions.
    [O-image]Tools > Extensions
  4. Click Close.

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