Answer Posted / dhanraj

I dont know about up gradation from lower version to higher version, but i think this link may help you.
http://www.msexchange.org/articles_tutorials/exchange-server-2007/migration-deployment/moving-mdaemon-exchange-server-2003-2007-part1.html

it contains many parts, carefully read it and try to follow

What are the new adc tools?

1076

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Will an in place upgrade from exchange 2000 remove the m: drive?

1033

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Which cluster configuration is preferred?

1094

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How does exchange server 2007 integrate with microsoft office outlook 2007?

982

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How can I upgrade my current exchange 2000 server or exchange server 2003 environment?

922

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What tools are used to administer exchange 2003?

1065

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What is the difference between exchange 2003 and windows 2003?

1046

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What is a gc?

1029

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Can I upgrade exchange 5.5 in place to exchange 2003?

985

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What are the features discontinued in exchange 2013 when compared with exchange 2007?

1013

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Can I have multiple exchange 2003 organizations in a single forest?

994

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How do I verify oma is functioning?

1123

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Why do the storage quota settings not take effect immediately?

1038

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Explain the exchange 2003 domainprep?

993

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How do I restrict a user or domain from sending mail to my users?

1001

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