ERROR IN MIGRATING DATA FROM ACCESS TABLE TO SQL SERVER 2005

Tryinng to migrate data from MS Access 2000 table to SQL Server 2005 Express. The access table has got nearly half a millon record with a size of 128 MB. We tried to migrate with Upsizing function from Access. After some time it stopped with the following messages.
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SQL that caused error: UT_CopyData
Error: Server Error 0: Timeout expired
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We will be glad if some one help us the settle the problem