Microsoft KB Archive/886683

= You receive an &quot;Unavailable Critical Extension&quot; error message when you try to query against a global catalog server or a Windows Server 2003-based domain controller =

Article ID: 886683

Article Last Modified on 6/27/2007

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APPLIES TO


 * Microsoft Windows Server 2003, Web Edition
 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems

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SYMPTOMS
When you try to query against a global catalog (GC) server or a Microsoft Windows Server 2003-based domain controller (DC), you may receive the following error message:

Unavailable Critical Extension



CAUSE
This problem occurs when you perform a Virtual List Views (VLV) extension search to the Active Directory directory service. The VLV extension search stops responding because Active Directory cannot handle the search operation.



Service Pack information
To resolve this problem, obtain the latest service pack for Microsoft Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

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

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

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

Prerequisites
No prerequisites are required.

Restart requirement
You must restart the 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.

Windows Server 2003, x86-based versions   Date         Time   Version            Size    File name --  21-Oct-2004  16:43  5.2.3790.224    1,532,416  Ntdsa.dll 21-Oct-2004 16:43  5.2.3790.212       32,768  Ntdsatq.dll 20-Oct-2004 18:54  5.2.3790.224      242,176  Ntdsutil.exe 20-Oct-2004 18:26                    179,440  Schema.ini 19-Sep-2004 11:41  5.2.3790.212       59,392  Ws03res.dll Windows Server 2003, Itanium-based versions   Date         Time   Version            Size    File name --  21-Oct-2004  01:38  5.2.3790.224    4,056,064  Ntdsa.dll 21-Oct-2004 01:38  5.2.3790.212       82,432  Ntdsatq.dll 20-Oct-2004 03:23  5.2.3790.224      568,832  Ntdsutil.exe 20-Oct-2004 03:23                    179,440  Schema.ini 18-Sep-2004 18:43  5.2.3790.212       58,880  Ws03res.dll



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

This problem was corrected in Microsoft Windows Server 2003 Service Pack 1.



MORE INFORMATION
This hotfix removes the VLV object identifier (also known as OID) advertisement from the RootDSE object. After you apply this hotfix, you cannot use a client to perform a VLV extension search to Active Directory.

After you install this hotfix, you must use the Active Directory Service Interfaces (ADSI) Edit tool to add a DisableVLVSupport value to the msds-Other-Settings attribute. To add the DisableVLVSupport value, install Windows Support Tools and then follow these steps.

Note The ADSI Edit tool is located in the Windows Support Tools folder on the Microsoft Windows Server 2003 CD. To install Windows Support Tools, run the Setup.exe program. The Setup.exe program is located in the Support\Tools\Setup folder.
 * 1) Click Start, click Run, type Adsiedit.msc, and then press ENTER.
 * 2) In the ADSI Edit tool, expand the Configuration[ ] node.
 * 3) Expand the CN=Configuration,DC=  container.
 * 4) Expand the CN=Services object.
 * 5) Expand the CN=Windows NT object.
 * 6) Right-click the CN=Directory Service object. Click Properties.
 * 7) In the Attributes list, click msds-Other-Settings. Click Edit.
 * 8) In the Value to add box, type DisableVLVSupport=1 . Click Add.
 * 9) Click OK two times. Close the ADSI Edit tool.

