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Cannot establish NTLM authentication channel with XXX

henning1518 
Hello everyone, 

since we migrated to the Sophos XGS, we receiving a lot of error messages, but everything works fine so far:

 

Cannot establish NTLM authentication channel with...

I´ve read all the documentations about NTLM (LDAPS) and checked everything.

Can anyone help?

XGS107w (SFOS 18.5.1 MR-1-Build326)

Thanks a lot.




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  • +1

    Do you even use Kerberos? If not, you can simply disable the AD SSO in Zones. It will disable this. Per default, SFOS will try to join the AD to do AD SSO, which is not essentially is needed, if you have other authentication methods. 

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  • +1

    Do you even use Kerberos? If not, you can simply disable the AD SSO in Zones. It will disable this. Per default, SFOS will try to join the AD to do AD SSO, which is not essentially is needed, if you have other authentication methods. 

    __________________________________________________________________________________________________________________

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