You cannot access network resources after you try to log on to a Windows XP Service Pack 2-based computer


If you log on to a Microsoft Windows XP Service Pack 2 (SP2)-based computer before a domain controller on your network is available, you may experience one or more of the following symptoms:
  • User-specific Kerberos Ticket-Granting Tickets (TGT) are not renewed.
  • Requests for new TGTs are not accepted if the TGT has reached its last permissible renew date after you install Windows XP SP2.
  • Authentication to network resources may unexpectedly quit after the computer has been locked.
  • Programs that use Delegation may unexpectedly quit.
  • You cannot resolve the problem by purging the TGT and requesting a new TGT.
  • You find an event similar to the following event in the system event log:
    Event Type: Warning

    Event Source: LSASRV

    Event Category: SPNEGO (Negotiator)

    Event ID: 40961

    Date: 10/27/2004

    Time: 1:00:50 PM

    User: N/A

    Computer: COMPUTER

    Description: The Security System could not establish a secured connection with the server ldap/ No authentication protocol was available.


Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if 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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


To install this hotfix, you must have Microsoft Windows XP Service Pack 2 (SP2) installed.For more information about how to obtain Windows XP Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to obtain the latest Windows XP service pack

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix is not replaced by any later hotfix.

Registry information

You do not have to create or modify any registry keys to enable the hotfix that this package contains.

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 item in Control Panel.

Date Time Version Size File name
17-Nov-2004 13:17 5.1.2600.2565 294,912 Kerberos.dll


To work around this problem, log off and then log back on to your Windows XP SP2-based computer.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates


Article ID: 885887 - Last Review: May 28, 2008 - Revision: 1