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Windows Small Business Server (Windows SBS) 2008 Update Rollup 4 is now available. This rollup package addresses the following issues in Windows SBS 2008.

Issue 1

You may be unable to rename and to join a computer that is running Windows 7 to your Windows SBS 2008-based domain by using the Windows SBS client Join wizard.

Issue 2

If the PublicFQDNPrefix registry entry is not set on the computer, you may be unable to install an update rollup for Windows SBS 2008, and you may receive the "6BA" error code.

Issue 3

The following new alerts are added to the Event Log errors list:

  • The server shut down unexpectedly

  • The server restarted

  • An error prevented Backup from starting

  • An error prevented Backup from completing successfully

Issue 4

The delivery of the network report may be delayed because it takes a long time for the server to query the status of the offline clients.

Issue 5

Internet Address Management Wizard may crash after you delete a Windows SharePoint Services site on a computer that is running Windows SBS 2008.

Note This update also includes all updates from Update Rollup 1, Update Rollup 2, Update Rollup 3 and supersedes those previous update rollups.

More Information

How to obtain this update

To obtain this update, visit the Microsoft Update website: update is also available from the following Microsoft Update Catalog website:


No prerequisites are required.

Restart requirement

You may have to restart the computer after you apply this update. To avoid restarting the computer, close all applications and Windows SBS Console before you install this update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this update has the file attributes that are listed in the following table (or later file attributes). The dates and the 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.

Removal information

After you install this update, the authentication mode of the http://companyweb website is changed from NTLM authentication to Kerberos authentication. We highly recommend that you use Kerberos authentication instead of NTLM authentication.

After you install this update, you can remove it by using the Programs and Features item in Control Panel. However, the authentication mode of the http://companyweb website must be manually reverted to the previous authentication mode. To do this, follow these steps:

  1. Click Start, point to Administrative Tools, and then click SharePoint 3.0 Central Administration.

  2. On the Application Management tab, click Authentication providers.

  3. In the Web Application list, select the web application that uses the website at http://companyweb.

  4. Click the Default zone.

  5. On the Edit Authentication page, click NTLM under IIS Authentication Settings, and then click Save.


For more information about software update terminology, 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

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