Domain Trust - Similar Names

[uniquestar]

Hi All,

I have been asked to put a Domain Trust in place between a couple of sites, but due to the setup of the domains, I am a bit concerned if it will work correctly, or mess up both domains, so looking at a bit of advice as to if this will work or not.

Please see below a quick overview of our netowrk setup, and let me know if you need any further info:

Domain 1: contoso.london.local. PDC (2008 R2) connected via VPN to secondary domain controller (2003) for contoso.london.local. (This relationship is already in place and working correctly).

Domain 2: contoso.local. PDC (2003).

The only VPN link between the 2 domains is currently between the Domain 2 PDC and Domain 1 SDC.

I guess my question really is is it possible to put the trust relationship in from Domain2-PDC to Domain1-SDC, with my bigger worry being that the first part of both domains is named the same.

Any input is appreciated!

Thanks,

[uniquestar]

Don't worry, I have found the answer that this is not possible due to the NETBIOS domain showing as exactly the same.

[JorgeM]

Aside from the NetBIOS name, domains form different Active Directory forests that share the same namespace will have domain suffix routing issues.

So, setting up a trust is not a good idea for this type of scenario.