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Can Windows 2008 R2 (64-bit) be part of SBS 2003 domain (32-bit)

We have a SBS 2003(32-bit) domain network.

All the servers are currently either 2000 or 2003(32-bit)

We are planning to get a new Windows 2008 R2 (64-bit) server and connect to the
existing SBS 2003 (32-bit) domain.

1) Is the above setup certified ?

2) Any hurdles I need to be aware of ?

3) Any more suggestions ?
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ormerodrutter
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It is perfectly OK to add a W2K8 server into your system, regardless it is 32 or 64 bit. Just to ensure you don't promote it to be a DC until you run the forest prep on the SBS server.

The only hurdle I can see is that will you have difficulty finding software or drivers that run on 64 bit Windows OS - this was the case when 64 bit W2K8 server first came out, as some printer vendors hadn;t upgraded their drivers for 64 bit system. But now you should be OK.
That is correct, there won't be any issues. You won't be able to raise the forest/domain functional level until you are only running 2008 R2 DCs.
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Rob Williams
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You can have a Windows 2008 Server R2 as a secondary DC or just as a member server.

If you are going to promote to a DC you would need to upgrade your current schema since you are going to R2 there are some changes to adprep please read article below.

https://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2008/A_3644-Windows-2008-Server-R2-adprep-adprep32.html

If you are adding the Windows 2008 Server R2 as a member server then you only need to add it to domain without having to do adprep just like you would with a client
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ASKER


 
 To All,

- We will NOT promote or make the Win2008 R2 (64-bit) as  DC or child domain

- This will just be a member server in the SBS 2003 (32-bit) domain network.

- The SBS 2003 (32b-bit) domain is already in-place and its working fine with 35 (windows XP) computers already connected.

- The Windows 2008 R2(64-bit) is a new server we are adding to the network(standalone server)
 
You can add any server to the SBS system without issue just like any client if you are using it like you said you are going too
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1)  If I make this Windows 2008 R2(64-bit) server as a  Terminal Sever(application mode), can I make
   this as a TS licensing server as well ?

2)  If I make this Windows 2008 R2(64-bit) server as a  Terminal Sever(application mode), can I make
   another Windows 2003 member server  as a TS licensing server  ?
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Thanks