NTLMSSP NTLM2 packet check failed due to invalid signature!

[Taylor, Jonn]

See my post "samba 4 problems after update". After I did this the errors
went away, but I still cannot login.

Jonn

On 01/05/2011 09:31 PM, Andrew Bartlett wrote:
> On Wed, 2011-01-05 at 17:39 -0600, Taylor, Jonn wrote:
>> This is what I did.
>>
>> [root at pdc source4]# rm -fR /usr/local/samba/bin
>> [root at pdc source4]# rm -fR /usr/local/samba/sbin
>> [root at pdc source4]# rm -fR /usr/local/samba/lib
>> [root at pdc source4]# rm -fR /usr/local/samba/modules
>> [root at pdc source4]# make install
>>
>> FYI.. found 1 more problem, but it is only on 1 server.
>>
>> [Wed Jan  5 17:36:45 2011 CST, 0
>> ../../libcli/auth/ntlmssp_sign.c:236:ntlmssp_check_packet()]
>> NTLMSSP NTLM2 packet check failed due to invalid signature!
>> [Wed Jan  5 17:36:45 2011 CST, 0
>> ../../libcli/auth/ntlmssp_sign.c:236:ntlmssp_check_packet()]
>> NTLMSSP NTLM2 packet check failed due to invalid signature!
> These are normal.  The error crept back in when I merged the Samba3 and
> Samba4 code in this area.  The problem is (we think) that some windows
> clients negotiate signing of the connection, but actually seal it.  We
> have to try one, then the other, but by then the error has been
> printed. 
>
> I just need to change the debug level again. 
>
> Andrew Bartlett