Problem: Changing an existing domain's type can cause ArcCatalog to fail
After changing an existing domain's type, clicking Apply/OK will cause ArcCatalog to fail.
This is a known issue.
Solution or Workaround
A domain's type cannot be changed after it has been created. The domain must be deleted and re-created with the correct type.
Last Published: 5/5/2016
Article ID: 000004098