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Consider the following scenario:
You upgrade from Microsoft Dynamics CRM 3.0 to Microsoft Dynamics CRM 4.0.
You export the customizations to an .xml file, and then you import the customization XML file to a fresh installation of Microsoft Dynamics CRM 4.0.
You do some additional customization development work in the fresh installation of Microsoft Dynamics CRM 4.0.
After the additional customizations are completed, you export the customizations from the fresh installation of Microsoft Dynamics CRM 4.0 into a new .xml file.
You import the new customization XML file from the fresh installation of Microsoft Dynamics CRM 4.0 back into the upgraded installation of Microsoft Dynamics CRM 4.0.
In this scenario, you receive the following error message:
Either the file could not be uploaded or Import failed.
This problem is fixed in the latest cumulative update rollup for Microsoft Dynamics CRM 4.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
949256 Microsoft Dynamics CRM 4.0 updates and hotfixes
After you download an extract the hotfix, follow these steps:
When you run the CRMv4.0-KB954322-i386-Server-INTL.exe file, you are notified that the extraction is complete, but another file is being extracted. If you view the folders in the root (C:\), you should find one that was created when you ran the CRMv4.0-KB954322-i386-Server-INTL.exe file. The folder name will be a random long number such as 4708c290b92f7f7ce30fcd9e18ba1125.
After you locate that folder, open it. In this folder, you will find the following file: