Exchange 2010 install on server 2008 R2 mixed environment server 2003 and ADC

All,

I recently attempted to follow the install documents with regards to Exchange 2010.  The pre-reqs seem to fail because it says there is an active directory connector installed.  According to the screen shot that is just NOT true.

Has anyone ever gone through this and what is the fix?  Also this is a mixed environment, they still have server 2003 in the environment, exchange 2003 installed, I will be getting rid of the 2003 exchange server at this time. I am trying to installed to Server 2008 R2 DC Edition, virtualized environment.

Thanks and please do let me know.
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LVL 1
smyers051972Asked:
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smyers051972Author Commented:
Resolved in ADSI edit
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Cliff GaliherCommented:
Since ADCs are registered in Active Directory, this error will appear if ANY of your servers still have ADC installed. You need to look at your server infrastructure, not just one machine.
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smyers051972Author Commented:
Its a mixed mode environment,that cant be it would mean trash the copy of exchange and forget about it.
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Cliff GaliherCommented:
The sole purpose of the ADC was for coexistence with exchange 5.5 . Uninsatalling ADC does NOT trash an exchange 2003 environment.

And if you do still have exchange 5.5 servers, you can't install exchange 2010. That wide of a gap in coexistence is simply not supportable.
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smyers051972Author Commented:
so where would i remove this at? the domain controller? currently there is one on the network. There is no exchange 5.5 in the network there.
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Cliff GaliherCommented:
You'll have to look at those other servers. I can't tell you which server it would be installed on.
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hecgomrecCommented:
Are you trying to install this server as your main server?

If you are you should change, you can't install 2010 as your main Exchange having 2003 on your organization, you should transition from 2003 to 2010.

By doing this 2010 will pretty much absorb 2003 configuration and establish a connection between both servers to pass/relay the messages.  When the transition is finish, moving mailboxes and testing everything is working, including OWA, ActiveSync, etc... you can safely remove your 2003 from your organization.
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smyers051972Author Commented:
No its a new VM, I can not locate any Microsoft Active Directory Connector service on the network yet it states it is there.
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smyers051972Author Commented:
Just as an update it was running on both domain controllers (mixed 2003/2008) and on exchange 2003 old server, HOWEVER that being said I disabled all of them services wise as per the document and still I get the same error?

Any ideas?
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Cliff GaliherCommented:
You have to UNINSTALL the connector, not just disable it. Disabling it is just the first step.
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smyers051972Author Commented:
So here is an update.

I removed any OLDER 2003 domain controller, now the organization only has 1 single domain controller.  Active Directory Connectors are uninstalled on all domain controllers before removal (2 domain controllers) and is non existent on the 2008 R2 DC.  Exchange 2003 has no Active Directory Connector on it.  Yet STILL I can not find out where this ADC is located?

It still claims to have an ADC some where in the network and yet I can find NONE.

How do I resolve this issue?

Thanks!
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Cliff GaliherCommented:
Considering you didn't even know why the ADC was a block and you thought you'd have to trash your domain, you want to close this as you solving this all by yourself??  Wow...
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smyers051972Author Commented:
Was able to resolve it on my own
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