Menu: View→Analysis Properties→Numerical→Try to fit unidentified models
Permits estimation to be attempted even when a model appears to be unidentified
For more information, see the AllowUnidentified method of the AmosEngine class.
Programming
In Amos Graphics programs, you can put a check mark in this check box by using the following statement (Visual Basic):
pd.GetCheckBox("AnalysisPropertiesForm", "UnidentifiedCheck").Checked = True