Read the original KB here.

SYMPTOMS

Consider the following scenario: You create a task sequence on a Microsoft Syste…

Consider the following scenario:

  • You create a task sequence on a Microsoft System Center Configuration Manager 2007 Service Pack 2 (SP2) site server to install many updates.
    For example, the task sequence installs 80 updates.
  • You advertise the task sequence to a client computer.

In this scenario, the task sequence stops responding when the "Download <sequence number> of <total number> updates" message is displayed on the screen of the client computer.
Notes

  • <sequence number> is a placeholder that represents the update number for the update that is currently being downloaded.
  • <total number> is a placeholder that represents the total number of updates that are scheduled to be downloaded.

CAUSE

This issue occurs because a deadlock occurs when the task sequence retrieves con…

This issue occurs because a deadlock occurs when the task sequence retrieves content locations for the updates.

RESOLUTION

To resolve this issue, you must install the following hotfix package on the site…

To resolve this issue, you must install the following hotfix package on the site server, and then you must deploy the generated packages to the client computer.
Note You can install this hotfix package (Sccm2007-sp2-2509007-x86-enu.msi) on a System Center Configuration Manager 2007 SP2 site server that is running an x86-based or x64-based version of a Windows operating system.
For more information about how to install a hotfix, you can click the following article number to view the article in the Microsoft Knowledge Base:

2477182 (http://support.microsoft.com/kb/2477182/ ) System Center Configuration Manager 2007 Hotfix Installation Guidance

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:

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

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.

Prerequisites

To apply this hotfix, you must be running System Center Configuration Manager 2007 Service Pack 2 (SP2).

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You do not have to restart the computer after you apply this hotfix.
Note Before you install this hotfix package, you have to close the Configuration Manager administrative console.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.