>>Is it possible to delete a CDX file in a table that is in a DBC and then create the index again using:
>>
>>*[ADD FOREIGN KEY [eExpression5] TAG TagName4
>>* REFERENCES TableName2 [TAG TagName5]]
>>
>
>You should kill the indexes with DELETE TAG ALL. Then recreate them with INDEX ON, then recreate your relationships in the dbc.

Ah, so the DELETE TAG ALL updates the DBC, so that it doesn't get the validation error when you open the table with a missing CDX?