Error while installing Exchange 2010 SP3

Dear All,

I have Three exchange 2010 SP1 in my environment, i update two of them successfully to SP3, i got error while i'm trying to upgrade the third server, it's the same installation package which i used to upgrade other server, please help, error:

Configuring Microsoft Exchange Server

    Language Files                                            COMPLETED
    Restoring Services                                        COMPLETED
    Languages                                                 COMPLETED
    Hub Transport Server Role                                 COMPLETED
    Client Access Server Role                                 COMPLETED
    Unified Messaging Server Role                             FAILED
     The following error was generated when "$error.Clear();
          install-MsiPackage -PackagePath $RolePackagePath -LogFile $RoleLogFile
Path -UpdatesDir $RoleUpdatesDir -PropertyValues ("INSTALLDIR=`"" + $RoleInstall
Path + "`" ESE=1");
        " was run: "Couldn't open package 'G:\Exchange Updates\SP3\sp3\en\UMLang
uagePack.en-US.msi'. This installation package could not be opened. Verify that
the package exists and that you can access it, or contact the application vendor
 to verify that this is a valid Windows Installer package. Error code is 1619.".
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Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
Solution is to run the SP3 after a command prompt running as Administrator.  If same issue is seen then uninstall Unified Messaging role, install SP3, run the setup /mode:upgrade and re-install Unified Messaging role again.

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Simon Butler (Sembee)ConsultantCommented:
Does the file exist in the location stated?
It could also be a poor download of the service pack. Download the service pack fresh. Don't try and move an extracted service pack between servers, always copy the single download file and extract on the server itself.

NetoMeter ScreencastsCommented:
You can check the MD5 of "Exchange2010-SP3-x64.exe":


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