I know that this is an old topic, but I've seen contradictory answers in 
different places.
Some topics say that SSSD has no support for NTLM due to its inherently 
unsecure nature, and will never have.
But others such as this 
topic(https://bugzilla.redhat.com/show_bug.cgi?id=963341) seem to state that it 
could be possible through gssntlmssp package.
The reason for my question is that I'm trying to use Samba with SSSD, and its 
authentication fail when the windows client falls back from kerberos to NTLMv2 
for any reason:
[2018/10/10 20:43:32.382948,  2] 
../source3/auth/auth.c:332(auth_check_ntlm_password)  check_ntlm_password:  
Authentication for user [myusername] -> [myusername] FAILED with error 
NT_STATUS_NO_LOGON_SERVERS, authoritative=1[2018/10/10 20:43:32.382989,  2] 
../auth/auth_log.c:760(log_authentication_event_human_readable)  Auth: 
[SMB2,(null)] user [MYDOMAIN]\[myusername] at [Wed, 10 Oct 2018 20:43:32.382980 
-03] with [NTLMv2] status [NT_STATUS_NO_LOGON_SERVERS] workstation [NTB005] 
remote host [ipv4:192.168.1.1:1914] mapped to [MYDOMAIN]\[myusername]. local 
host [ipv4:10.1.1.1:445]

Is there anything I can do to make SSSD able to deal with NTLMv2/NTLMSSP?

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