Microsoft KB Archive/274274

= Computer-Assigned Programs Cannot Be Deployed from Shares in Different Forests =

Article ID: 274274

Article Last Modified on 3/1/2007

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APPLIES TO


 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional Edition

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This article was previously published under Q274274



SYMPTOMS
If the file server for a computer-assigned package is in a different forest, the assignment is not successful, and you receive error &quot;1612&quot;:

The installation source for this product is not available. Verify that the source exists and that you can access it.

One event ID which corresponds to this issue is:

Source: Application Management Event ID 102 The install of application &quot;&quot; from policy &quot;&quot; failed. The error was &quot;The installation source for this product is not available. Verify that the source exists and that you can access it.&quot;



CAUSE
Permissions to the file, and share were assigned to the computer account. This behavior is by design because Windows NT LAN Manager (NTLM), not Kerberos, is used when authenticating between forests. Therefore, no computer account authentication takes place, and the package cannot be accessed. If the source files are being stored on a Windows NT 4.0 or Windows 2000 Cluster server, it will only use NTLM for authentication. Machine accounts require Kerberos for authentication; therefore the source files cannot be stored on a Windows NT 4.0 or Windows 2000 Cluster Server.



RESOLUTION
Assign permissions to authenticated users on the file, and share permissions that contain the medium-scale integration (MSI) package.



STATUS
This behavior is by design.



MORE INFORMATION
For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

278472 Packages Assigned to Computers with Group Policy Are Not Installed

Additional query words: msi ntlm machine-assigned 1612

Keywords: kbenv kbprb KB274274

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