SQL Agent 64-bit Issue?

Hello

I have also an x64-bit environment (Server 2003 R2; Sql 2005 sp2)

The package run well in the BI Designer after changing the run64bitRuntime Property.

I used the following script in the Sql Agent Job Command Line to automate this package:

C:\Program Files (x86)\Microsoft SQL Server\90\DTS\Binn\DTExec.exe /f  "C:\Projects\Test\Test\Test.dtsx"  /MAXCONCURRENT " -1 " /CHECKPOINTING OFF  /REPORTING EW

and I received the following error message:

Executed as user: domain\alias. Microsoft (R) SQL Server Execute Package Utility  Version 9.00.3042.00 for 64-bit   Copyright (C) Microsoft Corp 1984-2005. All rights reserved.    Option "C:\Program" is not valid.  The command line parameters are invalid.  The step failed.

Can some one help me on that?