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Re: [Samba] DC Upgrade Compiled to Package




Marc-

Thanks for the advice.

In regards to the FSMO roles, when we were originally testing, we found that in our version, FSMO roles could not be transferred (or even seized).

Would you recommend adding the new versioned DC to the existing domain and attempting a seize on the new version once the old FSMO owner is offline? What about stopping samba on the old FSMO owner and copying the TDB files from the old host to the new one? If the TDB files are copied from one host to another, can a domain controller effectively be replaced by that method or will that cause issues?

----- On Mar 24, 2017, at 2:07 PM, Marc Muehlfeld mmuehlfeld@xxxxxxxxx wrote:

> Hi Mike,
> 
> Am 24.03.2017 um 17:19 schrieb Mike Ray via samba:
>> I've seen this page: https://wiki.samba.org/index.php/Updating_Samba and
>> intend on reading the release notes as instructed, but was
> > wondering if anyone had any additional things to look out
> > for, especially related to going from a source installed version
> > to a package installed version.
> 
> The major important things are listed ono the "Updating Samba" page.
> However, it's always good to read the release notes of the x.y.0
> releases you will skip.
> 
> When you switch from a self-compiled to a packaged version, make sure
> that the packages support running Samba as a DC.
> 
> Before you switch, I recommend you to upgrade your existing Samba DC(s)
> to the same Samba version, than the packages you will later use. Then
> verify that everything works like expected. This ensures, in case you
> have trouble later, you don't have two possible causer (version- or
> package-related problems).
> 
> 
> In case you use new hardware or a new VM:
> - Install the packages
> - Join Samba as a DC to the domain.
> - Transfer FSMO roles (if the host to decomission owns some)
> - Demote the old DC.
> 
> 
> In case you have to use the same machine:
> You have to figure out in which directories the packaged Samba version
> expects the smb.conf file, databases, etc. Run "smbd -b"  on your
> existing DC and look at the "Paths" section. It tells you the locations.
> After you set up the new host and installed the Samba packages, run
> "smbd -b" to see where the new locations are, and copy the backuped
> files to the right directories. However, I really suggest that you test
> this on one host that is not connected to your regular network first!
> Then take a domain member and connect it to this isolated DC and verify
> that everything works correctly. If it does, then do the same on the
> official host. Note: Maybe you have to rejoin the domain member you had
> used temporary in the test environment in case it changed the machine
> password in the meantime.
> 
> 
> Regards,
> Marc

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