can i upgrate exchange 2003 to 2007 without removing the 2003?

hi expert,
i was wondering if i can perform an upgrate  exchange 2003 to 2007 without removing the 2003
from the machine?
is it posible?
thanks
activenet1Asked:
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activenet1Author Commented:
hi QBRad,
following this article i might need another machine right?
i dont have another machine to install the 2007 on, im runing the exchange 2003 and the Dc on the same box,
thanks
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SembeeCommented:
There are no in place upgrade options for Exchange 2007.
Exchange 2003 is 32 bit
Exchange 2007 is 64 bit.

You will need a new machine to swing the data across. That is the only upgrade path available to you.

Simon.

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QBRadCommented:
Good old Microsoft..............it's not good enough you buy their software, you need new hardware as well.  :(
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activenet1Author Commented:
thanks guys
i have another problem during the exchange 2007 installation
im not sure if i need to open a new question or just ask here.
im getting this error msg
"You do not have permissions to read the security descriptor" i have tried to perform the installation from
i performed Setup.com /PrepareLegacyExchangePermissions
Setup.com /PrepareSchema-----without no errors. when i tried to run Setup.com /PrepareAD i got the error above.
i added myself to all exchange 2007 necessary groups and still it doesn`t work
what should i do now?
thanks
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SembeeCommented:
What you should do is ask your question in a new question because it is unrelated to your original question.

Simon
Exchange Server Zone Advisor.

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