| Number | IMPLIB Error Message |
| IM2601 | symbol multiply defined |
| The given symbol was defined more than once in the input files. | |
| IM2602 | unexpected end of name table in DLL |
| A dynamic-link library (DLL) specified to IMPLIIB was corrupted. | |
| IM2603 | filename : invalid .DLL file |
| IMPLIB did not recognize the given input file as a dynamic-link library (DLL). |