[Samba] Problem transfering fsmo roles.

[me at tdiehl.org]

On Fri, 16 Oct 2020, Rowland penny via samba wrote:

> On 16/10/2020 21:09, Tom Diehl via samba wrote:
>>  Hi,
>>
>>  I have a Samba domain which currently has 4 DC's. I am in the process of
>>  trying to remove the old 4.8.12 self compiled DC's and ultimately replace
>>  them with (2) 4.12.8 DC's on Buster with samba from the VanBelle repo.
>>  Due to an error in my apt configuration I currently have 2 4.11.14 DC's
>>  running
>>  on Buster.
>>
>>  If I try to transfer the roles from one of the 4.8.12 DC's to one of the
>>  4.11.14 DC's it fails with the following:
>>
>>  (vdc3 pts2) # samba-tool fsmo transfer --role=infrastructure
>>  ERROR: Transfer of 'infrastructure' role failed: Failed FSMO transfer:
>>  NT_STATUS_IO_TIMEOUT
>>  (vdc3 pts2)
>>
>>  If I try to transfer the roles to the other 4.8.12 DC the roles transfers
>>  as expected.
>>
>>  Does anyone have any idea why the roles will not transfer to the 4.11.14
>>  DC or
>>  how to troubleshoot this problem?
>>
>>  Is going from 4.8.12 to 4.11.14 to large of a jump? If yes what steps do I
>>  need to take?
>>
> For some reason the transfer seems to be timing out, is there a problem with 
> the dns ?

No, DNS seems to be working. I can ping any of the dc's from any other DC using
either a hostname or fqdn.

>
> Try seizing the role on the computer you want it on (but use --force or it 
> will try to transfer it it first)

But if I seize the roles doesn't that kill the DC that had the roles?
I am not ready to take the old DC offline.

Regards,

-- 
Tom			me at tdiehl.org