We have few Windows XP clients running with Small Business Server 2008 and few Vista clients as well. We installed Office 2003 and all XP systems and Office 2007 on Vistas. All mail size limits have been checked OK at the exchange server. On XP everything is working fine but from Windows Vista and Outlook 2007, whenever I try to send an attachment of about 60MB in size, it gives me an error message saying: “The attachment size exceeds the allowable limit".
Can anyone please provide me the cause of this error and how can I fix it? Many thanks.
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