Column <Columnname> participates in full-text indexing on table <Tablename>. After this change, the column will no longer participate in the table's full-text index. (Visual Database Tools)
You are performing an operation that disallows full-text searching of the data in this column. Choose Yes to proceed with the operation and disable full-text searches of this column.
Even if you choose Yes, other columns that participate in this table's full-text indexing will be unaffected. That is, you will still be able to perform full-text searches of the data in those columns.