Microsoft KB Archive/835144

= A Windows 2000 Server primary domain controller may not respond to a Windows NT 4.0 domain controller or workstation =

Article ID: 835144

Article Last Modified on 10/26/2006

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APPLIES TO

 Microsoft Windows 2000 Server Microsoft Windows 2000 Advanced Server, when used with:  Microsoft Windows NT Server 4.0 Standard Edition

 Microsoft Windows NT Workstation 4.0 Developer Edition 

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SYMPTOMS
When a Microsoft Windows NT 4.0 domain controller or a Microsoft Windows NT 4.0 workstation sends a &quot;Query for Primary DC&quot; mailslot message in a Microsoft Windows 2000-based domain, the Microsoft Windows 2000 Server primary domain controller may not respond, and the Windows NT-based server and Windows NT workstation may lose the security channel to the Windows 2000 primary domain controller.

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CAUSE
This problem may occur if you make a major change in the Active Directory directory service site configuration. For example, this problem occurs if you change the subnet mask in the Active Directory site. The problem occurs because the Net Logon service is busy processing all the notifications that are generated from the subnet and the site change, and the Net Logon service cannot handle the &quot;Query for Primary DC&quot; mailslot message. The duration of the problem depends on how many changes have been made to the Active Directory site configuration, and the problem is corrected when the mailslot message can be processed.

This problem does not occur if the primary domain controller is Microsoft Windows Server 2003.

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Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
No prerequisites are required.

Restart requirement
You must restart your computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. <pre class="fixed_text"> Date        Time   Version        Size       File name --  20-Jan-2004  00:09  5.0.2195.6890    124,688  Adsldp.dll 20-Jan-2004 00:09  5.0.2195.6890    132,368  Adsldpc.dll 20-Jan-2004 00:09  5.0.2195.6890     63,760  Adsmsext.dll 20-Jan-2004 00:09  5.0.2195.6876    381,712  Advapi32.dll 20-Jan-2004 00:09  5.0.2195.6866     69,904  Browser.dll 20-Jan-2004 00:09  5.0.2195.6824    136,464  Dnsapi.dll 20-Jan-2004 00:09  5.0.2195.6876     96,528  Dnsrslvr.dll 20-Jan-2004 00:09  5.0.2195.6883     47,376  Eventlog.dll 20-Jan-2004 00:09  5.0.2195.6890    148,240  Kdcsvc.dll 08-Dec-2003 23:28  5.0.2195.6881    206,096  Kerberos.dll 21-Sep-2003 00:32  5.0.2195.6824     71,888  Ksecdd.sys 08-Dec-2003 23:30  5.0.2195.6881    511,248  Lsasrv.dll 08-Dec-2003 23:30  5.0.2195.6881     33,552  Lsass.exe 17-Oct-2003 00:33  5.0.2195.6866    114,960  Msv1_0.dll 20-Jan-2004 00:09  5.0.2195.6890    307,984  Netapi32.dll 20-Jan-2004 00:09  5.0.2195.6891    361,744  Netlogon.dll 20-Jan-2004 00:09  5.0.2195.6884    931,600  Ntdsa.dll 20-Jan-2004 00:09  5.0.2195.6890    392,464  Samsrv.dll 20-Jan-2004 00:09  5.0.2195.6824    113,936  Scecli.dll 20-Jan-2004 00:09  5.0.2195.6824    259,856  Scesrv.dll 09-Jan-2004 01:41  5.0.2195.6888  5,854,720  Sp3res.dll 20-Jan-2004 00:09  5.0.2195.6824     48,912  W32time.dll 21-Sep-2003 00:32  5.0.2195.6824     57,104  W32tm.exe 20-Jan-2004 00:09  5.0.2195.6869    126,224  Wldap32.dll

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

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