[Samba] Moving the 1st DC (FSMO) to another site - howto?

lingpanda101 at gmail.com lingpanda101 at gmail.com
Fri Apr 22 14:23:03 UTC 2016

On 4/22/2016 7:44 AM, Ole Traupe wrote:
> Hi List,
> I'll probably have to move my FSMO role owner to another site. Like at 
> the end of next week (depends on tight transportation schedules). So 
> there is no actual time for testing anything, I am afraid.
> We are in the process of moving our lab, with our offices staying in 
> the old building for now (different class C subnets). The physical 
> machine is basically a file server (hosting DC1 as a VM) which is 
> particularly needed at the new site. Plus: Summer is coming and the 
> new site has cooling. Unfortunately, our university techsup can't span 
> a VLan to merge these two sites. So I am trying to figure out how to 
> do it. In earlier discussions on DC failover strategies I was 
> suggested to have my DCs on different sites (with different subnets), 
> so I figure it being possible in general.
> The necessary steps likely include:
> - modifying my current DNS config: create another site, move DC1 over, 
> also the file server (AD member)
> - update all the clients' 1st DNS server entries to reflect the new IP 
> of DC1 (and network share mappings)
> - set some firewall rules allowing for logon and smb communication etc.
> Samba is version 4.2.5 with internal DNS.
> Any advice, instructions, heads-up, warnings are very welcome!
> Best regards,
> Ole

     Can you explain why you need to move the FSMO roles? From your 
explanation I don't see it as necessary. Creating sites and subnets is 
very straightforward if using the RSAT from Microsoft. I can share those 

Will you have access to both facilities through your network during the 


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