How can I get all the root domains of a forest?

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Pucca - 17 Jan 2008 22:21 GMT

Hi, I'm using vs2005 and .net 2. I got the current forest and I want to get
all the root domain of all domain trees in a forest. I use
forest.RootDomain.Name and got one of the root domain. But, how can I get
all the other root domains? Thank you.

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Thanks.

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Joe Kaplan - 21 Jan 2008 03:56 GMT

I think there is only supposed to be one root domain by definition. Can you
explain a situation where you think you have more than one?

Joe K.

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Joe Kaplan-MS MVP Directory Services Programming
Co-author of "The .NET Developer's Guide to Directory Services Programming"
http://www.directoryprogramming.net
--

> Hi, I'm using vs2005 and .net 2. I got the current forest and I want to
> get
> all the root domain of all domain trees in a forest. I use
> forest.RootDomain.Name and got one of the root domain. But, how can I get
> all the other root domains? Thank you.

Reply to this Message

Pucca - 21 Jan 2008 04:35 GMT

I'm trying to contruct multiple domain trees in a forest. Each tree would
have its own root domain. The Forest class returns the First created domain
as the rootdomain and I use that to build just one of the domain treen. When
there are more than one domain tree in the forest then how can I get hold of
the "frist domain" of the 2nd domain tree? Thank you.

Signature

Thanks.

> I think there is only supposed to be one root domain by definition. Can you
> explain a situation where you think you have more than one?
[quoted text clipped - 6 lines]
> > forest.RootDomain.Name and got one of the root domain. But, how can I get
> > all the other root domains? Thank you.

Reply to this Message

Joe Kaplan - 21 Jan 2008 14:22 GMT

Are you talking about a domain with a disjoint namespace? I'm really not
sure how the API is supposed to behave here or what the rules are. I think
you might need to esclate your question to Microsoft PSS.

Joe K.

Signature

Joe Kaplan-MS MVP Directory Services Programming
Co-author of "The .NET Developer's Guide to Directory Services Programming"
http://www.directoryprogramming.net
--

> I'm trying to contruct multiple domain trees in a forest. Each tree would
> have its own root domain. The Forest class returns the First created
[quoted text clipped - 18 lines]
>> > get
>> > all the other root domains? Thank you.

Reply to this Message

Pucca - 21 Jan 2008 14:59 GMT

Hi Joe,
I'm not looking for a domain with a disjoint namespace. I'm trying to
re-create the domains browser that you would see in the AD user and Computer
when you select to Connect To Domain and click the Browe button in that
dialog. Let say in this browsing dialog, you would see 2 domain nodes as
siblings on the same root leve. One can drill down on each of these 2 domain
nodes to see its children domains.
I need to retrieve these type of information from AD and build the same
domain trees in this browser. I've looked at the Forest and the Domain
classes and didn't find the attributes that I can use for finding the 2nd
domain tree. The forest.rootdomain returns only the rootdomain for one of
the domain tree. If I look at forest.domains it does return the rootdomain
for the 2nd domain tree but I have no way of telling that it is a sibling
node of the 1st domain tree's rootdomain. Do you know how I can get the
information I need? Thank you.

Signature

Thanks.

> Are you talking about a domain with a disjoint namespace? I'm really not
> sure how the API is supposed to behave here or what the rules are. I think
[quoted text clipped - 24 lines]
> >> > get
> >> > all the other root domains? Thank you.

Reply to this Message

Joe Kaplan - 21 Jan 2008 15:32 GMT

Did you look at the Parent property on the Domain object? That should
return the parent of any given domain or null if it has no parent, so that
should be another way you can rebuild the tree.

Joe K.

Signature

Joe Kaplan-MS MVP Directory Services Programming
Co-author of "The .NET Developer's Guide to Directory Services Programming"
http://www.directoryprogramming.net
--

> Hi Joe,
> I'm not looking for a domain with a disjoint namespace. I'm trying to
[quoted text clipped - 49 lines]
>> >> > get
>> >> > all the other root domains? Thank you.

Reply to this Message

Pucca - 21 Jan 2008 16:41 GMT

Yes, I did try the parent property over the weekend. The problem is when the
root domain of the 2nd domain tree is not avaiable (the DC is down), My code
then throws an exceptioin for trying the examin the Domain object. For the
same scenario, the AD Users and Compute snap-in is able to still list out all
the domain trees. They must be accessing it in a different way. Is there
another way to do this? Thank you.

Signature

Thanks.

> Did you look at the Parent property on the Domain object? That should
> return the parent of any given domain or null if it has no parent, so that
[quoted text clipped - 55 lines]
> >> >> > get
> >> >> > all the other root domains? Thank you.

Reply to this Message

Joe Kaplan - 21 Jan 2008 19:04 GMT

That I have no idea on. Sorry. I'm not sure who will. It does sound like
they are using a different API, but I don't know what that is. Maybe it is
all based on DNS queries or something.

Joe K.

Signature

Joe Kaplan-MS MVP Directory Services Programming
Co-author of "The .NET Developer's Guide to Directory Services Programming"
http://www.directoryprogramming.net
--

> Yes, I did try the parent property over the weekend. The problem is when
> the
[quoted text clipped - 76 lines]
>> >> >> > get
>> >> >> > all the other root domains? Thank you.

Reply to this Message

Pucca - 21 Jan 2008 19:17 GMT

Thank you for all your help. I will look into DNS.

Signature

Thanks.

> That I have no idea on. Sorry. I'm not sure who will. It does sound like
> they are using a different API, but I don't know what that is. Maybe it is
[quoted text clipped - 82 lines]
> >> >> >> > get
> >> >> >> > all the other root domains? Thank you.

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How can I get all the root domains of a forest?

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