[jcifs] Re: How to extend lifetime of NtlmPasswordAuthentication-Object

[Andreas Knoor]

Hello Michael,

> That exception only occurs when the server challenge of 
> the NPA is no longer valid for the target. 

perhaps my question was not clear:
What are the circumstances that causes the server challange of
the NPA to be no longer valid for a special target? 
Maybe this is some kind of MS-Windows setting of the fileserver?

Best Regards,

  Andreas