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Multicast OS deployments fail with a hash value error when the Windows OS WIM file size is larger than 4 GB in System Center Configuration Manager 2007
Article ID: 971413 - View products that this article applies to.
Consider the following scenario:
Note The same Windows OS WIM file deploys correctly by using unicast. Additionally, this problem will not occur if you use the multicast method to deploy Windows OS WIM files that are smaller than 4 GB.
Thisissue is caused by a known problem in System Center Configuration Manager 2007 Service Pack 1 (SP1) R2. In this problem, hash calculations are not performed correctly when the WIM file size is larger than 4 GB.
Service Pack InformationTo resolve this problem, obtain the latest service pack for Microsoft System Center Configuration Manager 2007, available from this Microsoft web site: http://www.microsoft.com/downloads/details.aspx?FamilyID=3318741a-c038-4ab1-852a-e9c13f8a8140
For a list of issues resolved in this service pack, click on the following article number in the Microsoft Knowledgebase:
(http://support.microsoft.com/kb/971348/ )List of hotfixes and updates that are contained in System Center Configuration Manager 2007 Service Pack 2
Hotfix InformationA 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 the problem described in this article. 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:
http://support.microsoft.com/contactus/?ws=supportNote 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.
PrerequisitesTo apply this hotfix, you must have System Center Configuration Manager 2007 Service Pack 1 installed.
Restart RequirementYou do not have to restart your computer after you apply this hotfix.
Hotfix Replacement InformationThis hotfix does not replace any other hotfixes.
File InformationThe 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.
Collapse this tableExpand this table
To work around this problem, either use the unicast method to deploy or to use OS WIM files that are smaller than 4 GB.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
After you install the hotfix that is described in Microsoft Knowledge Base (KB) article 971413, multicast OS deployments may no longer work. This includes Windows OS WIM files that are smaller than 4GB.
After you install the hotfix that is described in KB article 971413, a site reset is initiated. A site reset reinstalls all the site components. However, the multicasting session fails if the following conditions are true:
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates