[cifs-protocol] [MS-NRPC] interaction with SYSVOLReady =0
metze at samba.org
Fri Sep 8 09:05:37 UTC 2017
I had the situation where a Windows 2012 DC returns
NT_STATUS_ACCESS_DENIED for all NetrLogonSamLogonEx requests.
I finally managed to find that the DC didn't provide SYSVOL and NETLOGON
shares, this led to checking the SYSVOLReady key and it was 0.
After manually changing SYSVOLReady to 1 (just for short term testing)
NetrLogonSamLogonEx() worked fine.
I guess the following section in [MS-NRPC] 18.104.22.168.1 NetrLogonSamLogonEx
is supposed to describe this:
If the server cannot service the request due to an
implementation-specific condition, the server SHOULD
Can this please be extended maybe with a windows behavior note,
proposing SYSVOLReady = 0 as a possible reason for this behavior.
Is there more affected by this registry key than
all NetrLogonSamLogon* calls.
I'm wondering why [MS-ADTS] 6.3.3 LDAP Ping or 6.3.5 Mailslot Ping
would still return "normal" results in that case. As Samba made
use of such a DC, I'd guess yes, but I haven't verified if we just
ignore a LOGON_SAM_PAUSE_RESPONSE* response.
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