[Samba] Samba 4 will not start after new checkout [URGENT]

[Matthieu Patou]

> In general, you should not need to upgradeprovision unless we make
> (major) changes to our default provision template.
>
> We need to find the right way to describe the great things that
> upgradeprovision does, and how it relates to dbcheck (also required at
> times) and when to run both.
In fact I would recommend only running the upgradeprovision from an 
alpha to another.
And only if we do not say that going from xx to yy we recommend 
upgradeprovision.

My  POV.

Matthieu.
> Andrew Bartlett