The aqueous acidic solution for electrolytically depositing high polish, decorative bright, smooth and level copper coatings on large area metal or plastic parts contains a) at least one oxygen-containing, high molecular additive and b) at least one water soluble sulfur compound, wherein the solution additionally contains c) at least one aromatic halogen derivative having the general formula (I), wherein R1, R2, R3, R4, R5 and R6 are each independently radicals selected from the group comprising hydrogen, aldehyde, acetyl, hydroxy, hydroxyalkyl having 1 - 4 carbon atoms, alkyl having 1 - 4 carbon atoms and halogen, with the proviso that the number of residues R1, R2, R3, R4, R5 and R6 which are halogen ranges from 1 to 5. |