[Samba] server max protocol appropriate values

[Gaiseric Vandal]

I have not had problems.    As this is Samba 3.x, group policy files do 
not come into play.

On 03/06/15 08:45, James wrote:
> Hi Gaiseric,
>
>      Do you happen to run into any oplock(opportunistic locking) issues?
> On my DC I have these issues with my group policy files. I'm hopeful
> using smb 2.0 will fix this problem.  Thanks.
>
> On 3/4/2015 3:55 PM, Gaiseric Vandal wrote:
>> I have several Samba 3.6.24  domain controllers/file servers .
>>
>>
>> Server1 -   Solaris 10, Samba 3.6.24, max protocol NT1.     This is
>> the main file server.
>> Server2 -   Solaris 10, Samba 3.6.24, max protocol SMB2.   2ndary file
>> server, not as heavily used as as server1.
>> Server3 -   Solaris 11, Samba 3.6.24, max protocol SMB2 .   This was
>> set up to replace Server 1.
>>
>>
>> I also have a a Citrix XenApp 6.5 server running on Windows 2008 R2
>> with RDP/Terminal Services role
>>
>>
>>
>> On do of them, I changed the server max protocol from NT1 to SMB2,
>> with no problem - at first. I  was  migrating data from server1 to
>> server3.      As I moved data over from , people started having
>> trouble with being able to establish connections to the new server
>> from the citrix server.    Windows 7 clients were fine (except for a
>> single problem on a single Win 7 laptop.)   It really pointed to
>> something specific with a Citrix server environment.   I think it has
>> something to do with SMB2 establishing separate connections for each
>> user and exceeding the default number of permitted sessions on Win
>> 2008.          Rolling back to NT1 seemed to fix it the issues.
>>
>>
>>
>>
>>
>>
>>
>> On 03/04/15 10:26, James wrote:
>>> Hello,
>>>
>>>       My DC smb.conf currently has the following set
>>>
>>>           server max protocol = NT1
>>>           server min protocol = CORE
>>>           client max protocol = NT1
>>>           client min protocol = CORE
>>>
>>> Is it safe to change both the client and server max to = SMB3? What
>>> about on member servers? Should I be concerned with anything breaking?
>>> I'm using Windows 7 clients to authenticate against Ubuntu 4.1.17 DC's
>>> and a Debian Wheezy as a file server.
>>>
>>> This is what I see on
>>> https://www.samba.org/samba/docs/man/manpages-3/smb.conf.5.html
>>>
>>> Normally this option should not be set as the automatic negotiation
>>> phase in the SMB protocol takes care of choosing the appropriate
>>> protocol.
>>>
>>> Default: //|server max protocol|/ = |SMB3| /
>>>
>>> Example: //|server max protocol|/ = |LANMAN1| /
>>>
>>>