Hi;
The following links were sent to me by Microsoft Support when I was dealing
with a similar issue. It may be useful and if not at least it can be listed
in the archive for future reference.. Just in case.
Our issue was solved with EDNS 0 and changing a setting in our firewall.
313526 You Receive an "Access Denied" Error Message When You Use the
Windows
http://support.microsoft.com/?id=313526
329872 Windows 2000 DNS Zone Transfer Fails and Logs Event ID 6524
http://support.microsoft.com/?id=329872
298448 Windows 2000 DNS and Active Directory Information and
Technical Resources
http://support.microsoft.com/?id=298448
200525 Using NSlookup.exe
http://support.microsoft.com/?id=200525
260371 Troubleshooting Common Active Directory Setup Issues in
Windows 2000
http://support.microsoft.com/?id=260371
241505 SRV Records Missing After Implementing Active Directory and
Domain Name
http://support.microsoft.com/?id=241505
832223 Some DNS Name Queries Are Unsuccessful After You Upgrade Your
DNS Server
http://support.microsoft.com/?id=832223
237675 Setting Up the Domain Name System for Active Directory
http://support.microsoft.com/?id=237675
249868 Replacing Root Hints with the Cache.dns File
http://support.microsoft.com/?id=249868
267855 Problems with Many Domain Controllers with Active Directory
Integrated
http://support.microsoft.com/?id=267855
295328 Private Network Interfaces on a Domain Controller Are
Registered in DNS
http://support.microsoft.com/?id=295328
227844 Primary and Active Directory Integrated Zones Differences
http://support.microsoft.com/?id=227844
280374 NetBIOS Browse List May Not Contain all Domains in a Windows
2000
http://support.microsoft.com/?id=280374
292822 Name Resolution and Connectivity Issues on Windows 2000
Domain
http://support.microsoft.com/?id=292822
300679 Internal Web Clients Are Unable to Access an
Externally-Hosted Web Site
http://support.microsoft.com/?id=300679
255913 Integrating Windows 2000 DNS into an Existing BIND or Windows
NT
http://support.microsoft.com/?id=255913
300684 Information about configuring Windows for domains with
single-label DNS
http://support.microsoft.com/?id=300684
816584 HOW TO: Set Up the Domain Name System for Active Directory in
Windows
http://support.microsoft.com/?id=816584
238369 HOW TO: Promote and Demote Domain Controllers in Windows 2000
http://support.microsoft.com/?id=238369
280061 HOW TO: Move Windows 2000 DNS Zones to Another Windows
2000-based Server
http://support.microsoft.com/?id=280061
308208 HOW TO: Install and Configure a Virtual Private Network
Server in
http://support.microsoft.com/?id=308208
255248 HOW TO: Create a Child Domain in Active Directory and
Delegate the DNS
http://support.microsoft.com/?id=255248
317590 HOW TO: Configure DNS Dynamic Update in Windows 2000
http://support.microsoft.com/?id=317590
241515 How to Verify the Creation of SRV Records for a Domain
Controller
http://support.microsoft.com/?id=241515
816106 How to Verify an Active Directory Installation in Windows
Server 2003
http://support.microsoft.com/?id=816106
298143 How to Verify an Active Directory Installation
http://support.microsoft.com/?id=298143
286041 How to use Dnscmd.exe to Extract Information from Active
Directory
http://support.microsoft.com/?id=286041
198767 How to Prevent Domain Controllers from Dynamically
Registering DNS Names
http://support.microsoft.com/?id=198767
260362 How to Configure Active Directory on a Home Network
http://support.microsoft.com/?id=260362
305967 How to Clear Bad Information in Active Directory-Integrated
DNS
http://support.microsoft.com/?id=305967
247811 How Domain Controllers Are Located in Windows
http://support.microsoft.com/?id=247811
291382 Frequently Asked Questions About Windows 2000 DNS and Windows
Server
http://support.microsoft.com/?id=291382
310568 Domain Subfolders Missing from Forward Lookup Zone
http://support.microsoft.com/?id=310568
257623 Domain Controller's Domain Name System Suffix Does Not Match
Domain Name
http://support.microsoft.com/?id=257623
323643 DNS Startup Is Longer When You Use Active Directory
Integrated Zones
http://support.microsoft.com/?id=323643
252695 DNS Server Generates Event 4011
http://support.microsoft.com/?id=252695
275278 DNS Server Becomes an Island When a Domain Controller Points
to Itself
http://support.microsoft.com/?id=275278
331907 DNS Serial Number Is Incremented During Zone Transfer
http://support.microsoft.com/?id=331907
258503 DNS Registration Errors 5788 and 5789 When DNS Domain and
Active
http://support.microsoft.com/?id=258503
254680 DNS Namespace Planning
http://support.microsoft.com/?id=254680
224544 Determining the Server GUID of a Domain Controller
http://support.microsoft.com/?id=224544
229840 Description of the Netdiag /fix Switch
http://support.microsoft.com/?id=229840
313108 Dcdiag Incorrectly Reports an Unsuccessful Connectivity Test
for Some IP
http://support.microsoft.com/?id=313108
265706 DCDiag and NetDiag in Windows 2000 Facilitate Domain Join and
DC Creation
http://support.microsoft.com/?id=265706
285983 Considerations for Designing Namespaces in Windows 2000-Based
Domain
http://support.microsoft.com/?id=285983
282826 Active Directory-Integrated DNS Zone Serial Number Behavior
http://support.microsoft.com/?id=282826
276023 Active Directory-Integrated DNS Zone Deletion May Not Work
http://support.microsoft.com/?id=276023
270915 Active Directory MMC Tools Are Slow to Initialize
http://support.microsoft.com/?id=270915
272294 Active Directory Communication Fails on Multihomed Domain
Controllers
http://support.microsoft.com/?id=272294
291016 A Description of the Zone Transfer Throttling Mechanism
http://support.microsoft.com/?id=291016
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