Hey All,

This might be a bit of an unusual question but perhaps someone here has seen this scenario.

As per the subject says, user [email protected] can mount Samba share in Win 10. Same share fails to mount on a Mac using same user.

Appears Mac's insist on interpreting the UPN [email protected] as <USER>@<HOST> instead of just considering the entire string, "[email protected]" as a user.

Tried both the Mac UI and command line using such things as:

mount_smbfs -d 5 "//MDS.XYZ;joe:<PASS>@192.168.0.125/NFS-joe" /samba/


but the attempt fails to mount instead giving:

[2020/02/25 00:38:25.979467,  4] ../source3/smbd/sec_ctx.c:438(pop_sec_ctx)
  pop_sec_ctx (0, 0) - sec_ctx_stack_ndx = 1
[2020/02/25 00:38:25.979543, 3] ../source3/auth/check_samsec.c:399(check_sam_security)
  check_sam_security: Couldn't find user 'joe' in passdb.
[2020/02/25 00:38:25.979614, 2] ../source3/auth/auth.c:334(auth_check_ntlm_password) check_ntlm_password: Authentication for user [joe] -> [joe] FAILED with error NT_STATUS_NO_SUCH_USER, authoritative=1 [2020/02/25 00:38:25.979779, 2] ../auth/auth_log.c:476(log_authentication_event_human_readable) Auth: [SMB2,(null)] user [MDS.XYZ]\[joe] at [Tue, 25 Feb 2020 00:38:25.979710 EST] with [NTLMv2] status [NT_STATUS_NO_SUCH_USER] workstation [MACBOOKPRO-0138] remote host [ipv4:192.168.0.206:52695] mapped to [MDS.XYZ]\[joe]. local host [ipv4:192.168.0.125:445] [2020/02/25 00:38:25.980276, 2] ../lib/audit_logging/audit_logging.c:141(audit_log_json) JSON Authentication: {"timestamp": "2020-02-25T00:38:25.980017-0500", "type": "Authentication", "Authentication": {"version": {"major": 1, "minor": 0}, "status": "NT_STATUS_NO_SUCH_USER", "localAddress": "ipv4:192.168.0.125:445", "remoteAddress": "ipv4:192.168.0.206:52695", "serviceDescription": "SMB2", "authDescription": null, "clientDomain": "MDS.XYZ", "clientAccount": "joe", "workstation": "MACBOOKPRO-0138", "becameAccount": null, "becameDomain": null, "becameSid": null, "mappedAccount": "joe", "mappedDomain": "MDS.XYZ", "netlogonComputer": null, "netlogonTrustAccount": null, "netlogonNegotiateFlags": "0x00000000", "netlogonSecureChannelType": 0, "netlogonTrustAccountSid": null, "passwordType": "NTLMv2", "duration": 9826}}
[2020/02/25 00:38:25.980420,  4] ../source3/smbd/sec_ctx.c:438(pop_sec_ctx)


SSSD is configured on the NFS03 servers from which Samba is running. Authentication works fine on all hosts with SSSD. SSSD in turn is connected to FreeIPA.

Wondering if anyone has seen this scenario and remembers what the possible solution may have been to get said mounts working on a Mac?

--
Thx,
TK.
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