RE: Traveling Users Unable to Authenticate to AD

From: Scott (Scott_at_discussions.microsoft.com)
Date: 03/06/05


Date: Sun, 6 Mar 2005 10:01:01 -0800

There were errors in the original post. Corrected post below:

Statement of Problem:

Laptop users from MYCO (on Active Directory) traveling to OTHERCO (on Novell
NDS but not AD) are unable to authenticate to MYCO.US.PARENT.COM Active
Directory.

Required Result:

To enable laptop users from MYCO traveling to OTHERCO to authenticate to
MYCO.US.PARENT.COM Active Directory, get their mapped drives, access to file
shares, etc. over the WAN.

Background Information:

Overseas parent company does not allow delegation/forwarding from/to their
UNIX BIND 9.2 DNS servers to W2k3 Active Directory DNS;

Parent company (not on Active Directory) is authoritative for DNS root zone:
PARENT.COM. Neither name server records nor SOA records are allowed to be
populated in any of the parent company-hosted DNS zones;

Parent company is also authoritative 1st level DNS zone: US.PARENT.COM (this
zone is hosted overseas);

Our company’s dual-authoritative AD-integrated and UNIX DNS zone:
MYCO.US.PARENT.COM (from parent company perspective the UNIX servers are
authoritative, from our company’s internal client/server systems W2k3 DNS is
authoritative);

The W2k3 Active Directory DNS servers conditionally forward queries for
PARENT.COM and all child domains of PARENT.COM other than MYCO.US.PARENT.COM
to MYCO’s UNIX BIND DNS servers. This has worked fine.

Affiliated, WAN-connected US company with Novell DNS zone
OTHERCO.US.PARENT.COM (unable to conditionally forward and not in budget to
perform necessary upgrade to OS to enable this feature);

Within a year, both the parent company and otherco will be migrated to a
globally-unified Active Directory implementation in a completely different
namespace so that this will cease to be a problem.

Discussion:

I believe the reason that laptop users from MYCO traveling to OTHERCO are
unable to authenticate to MYCO.US.PARENT.COM Active Directory is that the
OTHERCO DNS server sends packets to the US.PARENT.COM zone which looks to the
UNIX BIND servers of MYCO.US.PARENT.COM for resolution—the UNIX BIND servers
have the “A” records for the W2k3 DC DNS servers don’t have the SRV and LDAP
records necessary to enable authentication to the MYCO DC’s running DNS.

Without spending a lot of $$ and without having to deploy an additional MYCO
DC/DNS server at otherco, we need a temporary workaround so that the
traveling users can authenticate.

"Scott" wrote:

> Statement of Problem:
>
> Laptop users from MYCO traveling to OTHERCO (Novell NDS location with no AD)
> are unable to authenticate to MYCO.US.GRPLEG.COM Active Directory.
>
> Required Result:
>
> To enable laptop users from MYCO traveling to OTHERCO to authenticate to
> MYCO.US.GRPLEG.COM Active Directory, get their mapped drives, access to file
> shares, etc.
>
> Background Information:
>
> Overseas parent company does not allow delegation/forwarding from/to their
> UNIX BIND 9.2 DNS servers to W2k3 Active Directory DNS;
>
> Parent company (not on Active Directory) is authoritative for DNS root zone:
> PARENT.COM. Neither name server records nor SOA records are allowed to be
> populated in any of the parent company-hosted DNS zones;
>
> Parent company is also authoritative 1st level DNS zone: US.PARENT.COM (this
> zone is hosted overseas);
>
> Our company’s dual-authoritative AD-integrated and UNIX DNS zone:
> MYCO.US.PARENT.COM (from parent company perspective the UNIX servers are
> authoritative, from our company’s internal client/server systems W2k3 DNS is
> authoritative);
>
> The W2k3 Active Directory DNS servers conditionally forward queries for
> PARENT.COM and all child domains of PARENT.COM other than MYCO.US.PARENT.COM
> to MYCO’s UNIX BIND DNS servers. This has worked fine.
>
> Affiliated, WAN-connected US company with Novell DNS zone
> OTHERCO.US.GRPLEG.COM (unable to conditionally forward and not in budget to
> perform necessary upgrade to OS to enable this feature);
>
> Within a year, both the parent company and otherco will be migrated to a
> globally-unified Active Directory implementation in a completely different
> namespace so that this will cease to be a problem.
>
> Discussion:
>
> I believe the reason that laptop users from MYCO traveling to OTHERCO are
> unable to authenticate to MYCO.US.GRPLEG.COM Active Directory is that the
> OTHERCO DNS server sends packets to the US.PARENT.COM zone which looks to the
> UNIX BIND servers of MYCO.US.PARENT.COM for resolution—the UNIX BIND servers
> have the “A” records for the W2k3 DC DNS servers don’t have the SRV and LDAP
> records necessary to enable authentication to the MYCO DC’s running DNS.
>
> Without spending a lot of $$ and without having to deploy an additional MYCO
> DC/DNS server at otherco, we need a temporary workaround so that the
> traveling users can authenticate.
>
>



Relevant Pages

  • RE: Traveling Users Unable to Authenticate to AD
    ... Laptop users from MYCO (on Active Directory) traveling to OTHERCO (on Novell ... UNIX BIND 9.2 DNS servers to W2k3 Active Directory DNS; ...
    (microsoft.public.windows.server.active_directory)
  • Traveling Users Unable to Authenticate to AD
    ... Laptop users from MYCO traveling to OTHERCO ... MYCO.US.GRPLEG.COM Active Directory, get their mapped drives, access to file ... UNIX BIND 9.2 DNS servers to W2k3 Active Directory DNS; ...
    (microsoft.public.windows.server.active_directory)
  • RE: DNS AD integrated
    ... Active Directory Integrated DNS zones have three different configuration ... Option#1 -- To all DNS servers in the Active Directory forest ... To use DNS integration within Active Directory, assign the zone type Active ...
    (microsoft.public.windows.server.dns)
  • Re: DNS settings
    ... Configure DNS for Internet Access In Windows 2000 ... Setting Up the Domain Name System for Active Directory ... > I believe my DNS servers are configured incorrectly, ... its default settings, am I missing something_ should I recreate settings_ ...
    (microsoft.public.win2000.general)
  • Re: NT to W2K3 Migration
    ... How to Upgrade from Windows NT Server 4.0 ... Best Practice Active Directory Design for Managing Windows Networks ... ensure that you have designed a DNS ...
    (microsoft.public.windows.server.active_directory)

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