I forgot to add some logs, so here they are (log level 3):
[2016/04/21 13:36:05.297966, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'gssapi_spnego' registered
[2016/04/21 13:36:05.298000, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'gssapi_krb5' registered
[2016/04/21 13:36:05.298016, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'gssapi_krb5_sasl' registered
[2016/04/21 13:36:05.298031, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'spnego' registered
[2016/04/21 13:36:05.298047, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'schannel' registered
[2016/04/21 13:36:05.298072, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'naclrpc_as_system' registered
[2016/04/21 13:36:05.298086, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'sasl-EXTERNAL' registered
[2016/04/21 13:36:05.298100, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'ntlmssp' registered
[2016/04/21 13:36:05.298113, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'ntlmssp_resume_ccache' registered
[2016/04/21 13:36:05.298127, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'http_basic' registered
[2016/04/21 13:36:05.298140, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'http_ntlm' registered
[2016/04/21 13:36:05.298155, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'krb5' registered
[2016/04/21 13:36:05.298168, 3]
../auth/gensec/gensec_start.c:899(gensec_register)
GENSEC backend 'fake_gssapi_krb5' registered
[2016/04/21 13:36:07.887681, 3]
../auth/ntlmssp/ntlmssp_util.c:69(debug_ntlmssp_flags)
Got NTLMSSP neg_flags=0x62880205
[2016/04/21 13:36:07.890906, 3]
../auth/ntlmssp/ntlmssp_server.c:449(ntlmssp_server_preauth)
Got user=[GUEST] domain=[] workstation=[workstation] len1=24 len2=210
[2016/04/21 13:36:07.890978, 3]
../source3/param/loadparm.c:3636(lp_load_ex)
lp_load_ex: refreshing parameters
[2016/04/21 13:36:07.891067, 3]
../source3/param/loadparm.c:527(init_globals)
Initialising global parameters
[2016/04/21 13:36:07.891178, 3]
../source3/param/loadparm.c:2579(lp_do_section)
Processing section "[global]"
[2016/04/21 13:36:07.891263, 2]
../source3/param/loadparm.c:2596(lp_do_section)
Processing section "[pub]"
[2016/04/21 13:36:07.891345, 2]
../source3/param/loadparm.c:2596(lp_do_section)
Processing section "[FTP]"
[2016/04/21 13:36:07.891412, 2]
../source3/param/loadparm.c:2596(lp_do_section)
Processing section "[bibt]"
[2016/04/21 13:36:07.891489, 3]
../source3/param/loadparm.c:1476(lp_add_ipc)
adding IPC service
[2016/04/21 13:36:07.891536, 3]
../source3/auth/auth.c:178(auth_check_ntlm_password)
check_ntlm_password: Checking password for unmapped user
[]\[GUEST]@[workstation] with the new password interface
[2016/04/21 13:36:07.891552, 3]
../source3/auth/auth.c:181(auth_check_ntlm_password)
check_ntlm_password: mapped user is:
[my_netbios_name]\[GUEST]@[workstation]
[2016/04/21 13:36:07.891609, 3]
../source3/auth/check_samsec.c:400(check_sam_security)
check_sam_security: Couldn't find user 'GUEST' in passdb.
[2016/04/21 13:36:07.891630, 2]
../source3/auth/auth.c:315(auth_check_ntlm_password)
check_ntlm_password: Authentication for user [GUEST] -> [GUEST]
FAILED with error NT_STATUS_NO_SUCH_USER
[2016/04/21 13:36:07.891660, 3]
../source3/auth/auth_util.c:1599(do_map_to_guest_server_info)
No such user GUEST [] - using guest account
[2016/04/21 13:36:07.891699, 1]
../auth/ntlmssp/ntlmssp_server.c:908(ntlmssp_server_postauth)
ntlmssp_server_postauth: invalid NTLMSSP_MIC for user=[GUEST]
domain=[] workstation=[workstation]
[2016/04/21 13:36:07.891713, 1] ../lib/util/util.c:559(dump_data)
[0000] 02 5E 1B A6 09 58 D1 FE D7 CB 64 F7 66 21 84 5F .^...X..
..d.f!._
[2016/04/21 13:36:07.891742, 1] ../lib/util/util.c:559(dump_data)
[0000] 55 A4 2E CE 72 9A 00 55 E3 F2 9C 40 FA 95 46 7C U...r..U
[email protected]|
[2016/04/21 13:36:07.891771, 2]
../auth/gensec/spnego.c:708(gensec_spnego_server_negTokenTarg)
SPNEGO login failed: NT_STATUS_INVALID_PARAMETER
