Re: Changing IP on Domain Controllers

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From: Tomasz Onyszko (T.Onyszko_nospam__at_w2k.pl)
Date: 05/27/04 

Date: Thu, 27 May 2004 23:22:40 +0200

Drake wrote:

> Some of our sites in AD (each with a local DC) are needing to go through an re-addrressing project. Because of this, several Win2K Domain Controllers will need to have their IP address changed. I wanted to verify what steps are required to perform this so replication/AD etc. does not break.
>
> The environment:
> Single Forest with over 50 sites. Multiple trusts to legacy NT4 domains.
> we are bridging all links
> each DC points to themselves for their primary DNS
> DCs serving DHCP to clients
>
> After research it seems the following after IP change will work:
> IPCONFIG /FLUSHDNS
> IPCONFIG /REGISTERDNS
> Change IP subnet information in "Sites and Services"
>
> Does anyone know of any other steps needed or considerations?

I will strongly suggest to restart NetLogon service on DC (or if it is
possible reboot this machines after IP change) for registering all new
SRV records in DNS. Before restarting NetLogon Service be sure thath DNS
server is properly listening for request on new IP address. 

-- 
Tomasz Onyszko [MVP]
T.Onyszko@w2k.pl
http://www.w2k.pl

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