Upgrading from Windows Server 32 bit to 64 bit

Is there any way to upgrade a Windows Server 2003 32 bit into a Windows Server 64 bit?  The server is capable of running 64 bit but has the Windows Server 2003 32 bit installed.
dayspringitAsked:
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Alan HardistyCo-OwnerCommented:
No - there is no upgrade path available - only a clean install will work.
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dayspringitAuthor Commented:
Then, since the PDC is Windows Server 2003 with Active Directory, DCHP, DNS roles in a Domain with other Domain Controller that replicates.  How can I make the change without loosing Active Directory.  Thanks.
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Alan HardistyCo-OwnerCommented:
How many domain controllers do you have in the domain?
PDC's are a thing of the past - there are just Domain Controllers now.  There are also 5 roles (FSMO Roles) that the Domain Controllers hold and usually one that holds them all (the first one in the domain).
You can transfer the FSMO Roles to another Domain Controller, move DHCP and DNS too and then using DCPROMO, remove the 32-bit server from the domain, rebuild it with 64-bit Windows and then DCPROMO it to become a Domain Controller again.
Do you really need to upgrade / switch the server to 64-bit?  Do you have something in mind that 32-bit is not capable of doing?
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Lee W, MVPTechnology and Business Process AdvisorCommented:
As a work around, you can install a Virtual Machine using VMware, Virtual PC or just about any other virtual machine host program and make that your DC temporarily (transfer all roles, DNS, GC to the VM), then demote the existing system, wipe it, reload it with x64, and promote it to DC and migrate the roles, DNS, GC all back to it).  Bit of a PITA, but you absolutely could do that.
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dayspringitAuthor Commented:
Directions are not clear enough.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Then continue to participate in your question and ask for clarification.
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