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Microsoft Knowledge Base Article
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Article ID: 314444 - Last Review: January 31, 2007 - Revision: 5.7 Some changes to SAM accounts are not explained in audit event 642This article was previously published under Q314444
Security audit event 642 is logged when a property of an Active Directory user or machine account changes (if Account Management auditing is in use on the domain controllers). If the change involves turning on, turning off, locking, or unlocking an account, the event description identifies the relevant operation. Other changes to the account that affect the userAccountControl attribute (for example, the Password required setting) are logged as a generic "Account Changed" audit event.
This problem occurs because
SAM explicitly audits only changes to the "account disabled" and "account lockout" flags.
Service pack information
To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910Â
(http://kbalertz.com/Feedback.aspx?kbNumber=260910/
)
How to obtain the latest Windows 2000 service pack
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. 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, submit a request to 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.
The English version of this hotfix has the file attributes (or later) 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.
Date Time Version Size File name
----------------------------------------------------------
15-Aug-2002 20:25 5.0.2195.5781 123,664 Adsldp.dll
15-Aug-2002 20:25 5.0.2195.5781 131,344 Adsldpc.dll
15-Aug-2002 20:25 5.0.2195.5781 62,736 Adsmsext.dll
15-Aug-2002 20:25 5.0.2195.5992 358,160 Advapi32.dll
15-Aug-2002 20:25 5.0.2195.5265 42,256 Basesrv.dll
15-Aug-2002 20:25 5.0.2195.5855 49,424 Browser.dll
15-Aug-2002 20:25 5.0.2195.6012 135,952 Dnsapi.dll
15-Aug-2002 20:25 5.0.2195.6012 96,016 Dnsrslvr.dll
15-Aug-2002 20:25 5.0.2195.5722 45,328 Eventlog.dll
15-Aug-2002 20:25 5.0.2195.5907 222,992 Gdi32.dll
15-Aug-2002 20:25 5.0.2195.5859 145,680 Kdcsvc.dll
04-Jun-2002 22:31 5.0.2195.5859 199,952 Kerberos.dll
15-Aug-2002 20:25 5.0.2195.6011 708,880 Kernel32.dll
15-Jul-2002 16:52 5.0.2195.5940 71,024 Ksecdd.sys
23-Jul-2002 00:54 5.0.2195.5960 507,152 Lsasrv.dll
23-Jul-2002 00:54 5.0.2195.5960 33,552 Lsass.exe
15-Aug-2002 20:25 5.0.2195.4733 332,560 Msgina.dll
13-Aug-2002 01:54 5.0.2195.6006 108,816 Msv1_0.dll
15-Aug-2002 20:25 5.0.2195.5979 307,472 Netapi32.dll
15-Aug-2002 20:25 5.0.2195.5966 360,720 Netlogon.dll
15-Aug-2002 20:25 5.0.2195.5979 916,752 Ntdsa.dll
15-Aug-2002 20:25 5.0.2195.6015 387,856 Samsrv.dll
15-Aug-2002 20:25 5.0.2195.5951 129,296 Scecli.dll
15-Aug-2002 20:25 5.0.2195.5951 302,864 Scesrv.dll
19-Jul-2002 01:45 5.0.2195.5950 64,000 Sp3res.dll
15-Aug-2002 20:25 5.0.2195.6000 379,664 User32.dll
15-Aug-2002 20:25 5.0.2195.5968 369,936 Userenv.dll
15-Aug-2002 20:25 5.0.2195.5859 48,912 W32time.dll
04-Jun-2002 22:32 5.0.2195.5859 57,104 W32tm.exe
08-Aug-2002 23:23 5.0.2195.6003 1,642,416 Win32k.sys
15-Aug-2002 16:30 5.0.2195.6013 179,472 Winlogon.exe
15-Aug-2002 20:25 5.0.2195.5935 243,472 Winsrv.dll
15-Aug-2002 20:25 5.0.2195.5944 125,712 Wldap32.dll
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.
After you install this hotfix, all changes to the userAccountControl attribute flags are identified in the description field of audit event 642. This includes the following items from the Account tab for a user account (in the Active Directory Users and Computers snap-in):
- Password never expires
- Store password using reversible encryption
- Smart card is required for interactive logon
- Account is trusted for delegation
- Account is sensitive and cannot be delegated
- Use DES encryption types for this account
- Do not require kerberos preauthentication
For additional information about the flags in the userAccountControl attribute, visit the following Microsoft Web site:
Note that two flags appear with these options in the Active Directory Users and Computers snap-in but are not changes to userAccountControl. Therefore, these flags are still audited as generic "Account Changed" items: "User cannot change password" and "User must change password at next logon."
The first is a change to the security descriptor on the account object. The second is a change to the pwdLastSet attribute. You can identify both of these by turning on Directory Services auditing. This provides details about which attributes are changed during a modify operation.
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the following article number to view the article in the Microsoft Knowledge Base:
265173Â
(http://kbalertz.com/Feedback.aspx?kbNumber=265173/
)
The Datacenter program and Windows 2000 Datacenter Server product
APPLIES TO- Microsoft Windows 2000 Server SP1
- Microsoft Windows 2000 Server SP2
- Microsoft Windows 2000 Service Pack 3
- Microsoft Windows 2000 Advanced Server SP1
- Microsoft Windows 2000 Advanced Server SP2
- Microsoft Windows 2000 Professional SP1
- Microsoft Windows 2000 Professional SP2
- Microsoft Windows 2000 Service Pack 3
| kbautohotfix kbhotfixserver kbqfe kbwin2ksp4fix kbbug kbfix kbqfe kbwin2000presp4fix KB314444 |
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