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Local Security Policy Values May Revert to the Values That Are Stored in SecEdit.sdb After You Install Windows 2000 Service Pack 4
Article ID: 827664 - View products that this article applies to.
After you install Microsoft Windows 2000 Service Pack 4 (SP4), some settings that you configured outside the Group Policy editor or the Local Security Policy editor may revert to their original values in certain rare instances. This may occur with settings that you make by using any one of the following methods:
The master database for security settings is contained in the Secedit.sdb database file. A conflict may occur when the Group Policy engine tries to update the Secedit.sdb database while the SP4 installation has the database open.
SP4 creates two new privileges. To make sure that the security settings for those privileges are reflected in the database, the SP4 installation program will modify and then reapply the Secedit.sdb database during the first restart after SP4 is installed.
When changes to security settings are made outside the Local Security Policy editor or the Group Policy editor, the Secedit.sdb file may not be immediately updated with those changes. For example, if a template that contains a "Registry Values" section is applied using the SCE, the settings in the "Registry Values" section are set in the registry. However, these settings are not updated in the Secedit.sdb database until the next refresh event. By default, the policies in the Secedit.sdb database are refreshed and reapplied every 16 hours. The policies will also be refreshed on restart if a certain flag has been set by the SCE. This flag is set when a security template is applied that contains certain sections in addition to a "Registry Values" section. The sections that cause this to occur are:
This problem may occur if registry values are changed manually or using a script. However, the problem is most likely to occur when SP4 is installed before the system is rebooted after a security template is applied using the SCE. If the values in the registry were set manually, as opposed to using the SCE, the problem would only occur if the next policy refresh event occurs while the SP4 installer is holding the database open.
To work around this issue, open Local Security Policy before you install Windows 2000 SP4. When you do this, the values that are stored in the registry are propagated to the Secedit.sdb file. To do this, follow these steps:
secedit /refreshpolicy machine_policy /enforceAfter you complete this procedure, install Windows 2000 SP4.
For additional information about how to work around this issue, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/329055/ )Security Option Settings Are Not Shown in Gpedit.msc After You Apply a Security Template with Secedit.exe on a Stand-Alone Server
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/318711/ )HOW TO: Use the Secedit.sdb Database to Perform a Security Analysis in Windows 2000