>>I have to compile an old program and I seems to see the too many files open error.
>>
>>I have files set to 199 in the system environment. What else do I have to do?
>>
>>TIA
>>
>>__Stephen
>
>Under NT, DOS box configuration items are, by default, controlled by the CONFIG.NT file, NOT CONFIG.SYS. You need to make your changes there for them to be reflected in a DOS box.

Thanks. It took a while to locate config.nt in the \winnt\system32\.

It works now!

__Stephen