Encountered a situation where max protocol = NT1 on a Samba 4.1.x server provided better performance

[Jeremy Allison]

On Fri, May 30, 2014 at 08:45:23PM -0700, Richard Sharpe wrote:
> Hi folks,
> 
> I am still trying to get all the details together but a friend who
> runs a Samba network upgraded to a recent version of SuSE with Samba
> 4.1.x (I believe, and am getting the version) and all hell broke loose
> for at least one of his legacy applications that were developed a
> while ago.
> 
> Where previously it took 15-20 seconds to load, it was now taking 60
> seconds to load.
> 
> When I changed his smb.conf to include max protocol = NT1 we got back
> to the prior load times.
> 
> I am attempting to get new capture files to see what the differences
> on the wire are, and have asked for the exact version of Samba.

Well if it's completely reproducible we should
be able to analyse it to see what the problem
is.