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Subject Author Date
Domain Local Security vs Global Security vs Universal Security Groups Kshaeta 10-16-2006
Posted by Kshaeta on October 16, 2006, 1:26 pm
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I've read lots on these, and I still don't really understand them.

I know how they work together, how certain ones can't be part of others,
etc. But I don't really understand how they work, or where and when
to use them.

Where are DLS (Domain Local Security) groups used, and why?
How about Global Groups? Universal Groups?

Is there any good documentation that explains how these are used and why?

One reason I ask, is say for this problem. I have two security groups,
within my domain, and two servers in my domain. One server is a domain
server (DOM), the other is a member server (MEM).
I have 2 security groups. The difference between the two is one is a
DLS group, the other is a GS group. The DLS one doesn't allow the
security group to be set on servers other than the domain servers. That
is, if you are on DOM and you create a directory, you can grant it
"Information Systems_DLS" security, or "Information Systems_GS"
security. But if you log on to MEM, and try that it won't work. You
need to grant it "Information Systems_GS". The option to grant any DLS
doesn't even show up in the security selection on the member server.

I don't really grasp this. Should "Domain level Security" allow you to
grant that security group to any member server?

Thanks for any info.

bil

Posted by Kshaeta on October 19, 2006, 12:01 pm
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Nobody knows the answer to this?


Kshaeta wrote:
> I've read lots on these, and I still don't really understand them.
>
> I know how they work together, how certain ones can't be part of others,
> etc. But I don't really understand how they work, or where and when
> to use them.
>
> Where are DLS (Domain Local Security) groups used, and why?
> How about Global Groups? Universal Groups?
>
> Is there any good documentation that explains how these are used and why?
>
> One reason I ask, is say for this problem. I have two security groups,
> within my domain, and two servers in my domain. One server is a domain
> server (DOM), the other is a member server (MEM).
> I have 2 security groups. The difference between the two is one is a
> DLS group, the other is a GS group. The DLS one doesn't allow the
> security group to be set on servers other than the domain servers. That
> is, if you are on DOM and you create a directory, you can grant it
> "Information Systems_DLS" security, or "Information Systems_GS"
> security. But if you log on to MEM, and try that it won't work. You
> need to grant it "Information Systems_GS". The option to grant any DLS
> doesn't even show up in the security selection on the member server.
>
> I don't really grasp this. Should "Domain level Security" allow you to
> grant that security group to any member server?
>
> Thanks for any info.
>
> bil

--
Bill Tkach
MSP, A+
visualeyesthisgmailcom

Posted by acchong on October 19, 2006, 5:25 pm
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If you post this question in
microsoft.=ADpublic.=ADwindows.=ADserver.=ADactive_directory, you will get
more people to response to this question.

You should be able to use both domain local group and global security
group to assign permission for accessing to resources. There shouldn't
be any different when assigning permission on domain controller or
member server.

One possibility that I can think of where you cannot assign permission
to domain local security group on member server is the member server is
joined to a different domain. Domain local group can only be use to
assign permission to resources in same domain.

> Nobody knows the answer to this?
>
>
>
>
>
> Kshaeta wrote:
> > I've read lots on these, and I still don't really understand them.
>
> > I know how they work together, how certain ones can't be part of others,
> > etc. But I don't really understand how they work, or where and when
> > to use them.
>
> > Where are DLS (Domain Local Security) groups used, and why?
> > How about Global Groups? Universal Groups?
>
> > Is there any good documentation that explains how these are used and wh=
y?
>
> > One reason I ask, is say for this problem. I have two security groups,
> > within my domain, and two servers in my domain. One server is a domain
> > server (DOM), the other is a member server (MEM).
> > I have 2 security groups. The difference between the two is one is a
> > DLS group, the other is a GS group. The DLS one doesn't allow the
> > security group to be set on servers other than the domain servers. That
> > is, if you are on DOM and you create a directory, you can grant it
> > "Information Systems_DLS" security, or "Information Systems_GS"
> > security. But if you log on to MEM, and try that it won't work. You
> > need to grant it "Information Systems_GS". The option to grant any DLS
> > doesn't even show up in the security selection on the member server.
>
> > I don't really grasp this. Should "Domain level Security" allow you to
> > grant that security group to any member server?
>
> > Thanks for any info.
>
> > bil--
> Bill Tkach
> MSP, A+
> visualeyesthisgmailcom- Hide quoted text -- S=
how quoted text -


Posted by Roger Abell [MVP] on October 21, 2006, 4:00 am
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It is not really an issue of whether anyone knows, or not, but of the
huge scale that would be a complete answer. Perhaps if you were
to review some of the information in the resource kit documentation
www.reskit.com
and then post more narrow questions(s).

For an example of how non-simple some aspects of group usage
can be, take a look at a recent thread we had on
microsoft.public.windows.server.active_directory
with subject
Best practive to clean up AD groups
that started on
Thursday, October 12, 2006 2:31 AM

In the particular example with two domains that you presented,
you cannot use a domain local group except in its domain (hence
it is local to that domain). So yes, you can use a domain local on
a member of the same domain, but whether you should or when is
an entire further discussion. Globals can be seen/used outside of
their domain, and have limitation that they can only contain objects
(users or other groups) that are defined in their own domain (hence
a global group can represent some part of its domain globally
throughout the forest).

> Nobody knows the answer to this?
>
>
> Kshaeta wrote:
>> I've read lots on these, and I still don't really understand them.
>>
>> I know how they work together, how certain ones can't be part of others,
>> etc. But I don't really understand how they work, or where and when to
>> use them.
>>
>> Where are DLS (Domain Local Security) groups used, and why?
>> How about Global Groups? Universal Groups?
>>
>> Is there any good documentation that explains how these are used and why?
>>
>> One reason I ask, is say for this problem. I have two security groups,
>> within my domain, and two servers in my domain. One server is a domain
>> server (DOM), the other is a member server (MEM).
>> I have 2 security groups. The difference between the two is one is a
>> DLS group, the other is a GS group. The DLS one doesn't allow the
>> security group to be set on servers other than the domain servers. That
>> is, if you are on DOM and you create a directory, you can grant it
>> "Information Systems_DLS" security, or "Information Systems_GS" security.
>> But if you log on to MEM, and try that it won't work. You need to grant
>> it "Information Systems_GS". The option to grant any DLS doesn't even
>> show up in the security selection on the member server.
>>
>> I don't really grasp this. Should "Domain level Security" allow you to
>> grant that security group to any member server?
>>
>> Thanks for any info.
>>
>> bil
>
> --
> Bill Tkach
> MSP, A+
> visualeyesthisgmailcom



Posted by Kshaeta on January 11, 2007, 11:39 am
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Thanks Roger.
I guess my question was "does anyone know why these Domain Local System
(DLS) groups behave like this", for my specific instance. I would
assume a DLS group would allow me to use such a group on any server in
the domain. However, I can ONLY use them on the Domain servers
themselves. Seemed weird to me that you would only be able to grant DLS
access on the Domain Servers itself.

Anyway, I changed our Domain level from Windows 2000/NT Mixed mode, to
Windows 2000 mode, and the issue went away. They now work the way I
expect them to... within the entire domain.

I guess my English is not very good, because I thought I wrote out the
problem quite clearly. But I guess I asked too many at once.

Anyway, thanks again Roger. I now see why MVP's are the top of the pile.

bil


Roger Abell [MVP] wrote:
> It is not really an issue of whether anyone knows, or not, but of the
> huge scale that would be a complete answer. Perhaps if you were
> to review some of the information in the resource kit documentation
> www.reskit.com
> and then post more narrow questions(s).
>
> For an example of how non-simple some aspects of group usage
> can be, take a look at a recent thread we had on
> microsoft.public.windows.server.active_directory
> with subject
> Best practive to clean up AD groups
> that started on
> Thursday, October 12, 2006 2:31 AM
>
> In the particular example with two domains that you presented,
> you cannot use a domain local group except in its domain (hence
> it is local to that domain). So yes, you can use a domain local on
> a member of the same domain, but whether you should or when is
> an entire further discussion. Globals can be seen/used outside of
> their domain, and have limitation that they can only contain objects
> (users or other groups) that are defined in their own domain (hence
> a global group can represent some part of its domain globally
> throughout the forest).
>
>> Nobody knows the answer to this?
>>
>>
>> Kshaeta wrote:
>>> I've read lots on these, and I still don't really understand them.
>>>
>>> I know how they work together, how certain ones can't be part of others,
>>> etc. But I don't really understand how they work, or where and when to
>>> use them.
>>>
>>> Where are DLS (Domain Local Security) groups used, and why?
>>> How about Global Groups? Universal Groups?
>>>
>>> Is there any good documentation that explains how these are used and why?
>>>
>>> One reason I ask, is say for this problem. I have two security groups,
>>> within my domain, and two servers in my domain. One server is a domain
>>> server (DOM), the other is a member server (MEM).
>>> I have 2 security groups. The difference between the two is one is a
>>> DLS group, the other is a GS group. The DLS one doesn't allow the
>>> security group to be set on servers other than the domain servers. That
>>> is, if you are on DOM and you create a directory, you can grant it
>>> "Information Systems_DLS" security, or "Information Systems_GS" security.
>>> But if you log on to MEM, and try that it won't work. You need to grant
>>> it "Information Systems_GS". The option to grant any DLS doesn't even
>>> show up in the security selection on the member server.
>>>
>>> I don't really grasp this. Should "Domain level Security" allow you to
>>> grant that security group to any member server?
>>>
>>> Thanks for any info.
>>>
>>> bil
>> --
>> Bill Tkach
>> MSP, A+
>> visualeyesthisgmailcom
>
>


--
Bill Tkach
MSP, A+
visualeyesthisgmailcom

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