If I do not explicitly use Authen:NTLM I get:...

Ah, I didn't see that function (Khen1950fx appears to have missed it also). Authen::NTLM exports the function ntlmv2(), which sets the module so that it uses V2 (so Authen::NTLM appears to be required explicitly)...I might have noticed if you explicitly exported the function:

use Authen::NTLM qw(ntlmv2);
...
ntlmv2(1);

[download]
Not that this will fix your problem...the 500 error is probably a result of not using V2.

In reply to Re^4: NTLM authentication with IIS 6 by runrig
in thread NTLM authentication with IIS 6 by mrlizard123

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