Windows server returning "non specific error code"

Volker Lendecke Volker.Lendecke at SerNet.DE
Fri May 11 20:11:07 GMT 2007

On Fri, May 11, 2007 at 12:53:23PM -0700, Murali Bashyam wrote:
> Windows CIFS server (2003) is returning a "Non specific error code" in
> response to a Write Andx request, the error code value returned is 02000001.
> The error happens consistently at the exact same point during a write
> operation to a file after nearly 1MB has been written i.e several write ANDx
> requests have been successfully processed by the server. The description for
> the error code  is rather vague on the msdn website. Any ideas why this
> could be happening?

You're chaining all requests together? What happens if you
don't do that?

BTW, the chaining of write requests is not strictly
necessary, you can probably achieve very similar performance
by just issuing multiple independent normal write requests
in parallel with different MID values. A bit more effort on
the client side, but it will most likely gain you even
better performance because the server is free to reply to
the requests in any order it wishes to.

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