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When you try to upgrade a Spanish version of Microsoft Exchange Server 2007 Service Pack 2 (SP2) with Exchange 2007 SP2 Rollup 1 or with Exchange 2007 SP2 Rollup 2, the rollup Setup program stops responding and you may receive the following Windows Installer error message:
The upgrade patch cannot be installed by the Windows installer service because the program to be upgraded may be missing, or the upgrade patch may update a different version of the program. Verify the the program to be upgraded exists on your computer and that you have the correct upgrade patch.
To resolve this problem, install Update Rollup 4 for Exchange 2007. For more information about Update Rollup 4 for Exchange Server 2007 Service Pack 2 , click the following article number to view the article in the Microsoft Knowledge Base:
981383 Description of Update Rollup 4 for Exchange Server 2007 Service Pack 2
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Exchange 2007 setup rollup Spanish Windows Installer