SCCM 2007 to 2012 Migration Same Site code

I am in the process of building the new SCCM 2012 enviroment and delegated the SCCM server installation to a new staff member, I have just found out they have used the same site code as our current sccm 2007 enviroment.

Can we uninstall the new 2012 without any impact to the sccm 2007 enviroment.
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Toni UranjekConsultant/TrainerCommented:
Did you start process of installing agent on clients?
Is any client actually assigned to new server?
Do clients experience any problems at the moment?

If all answers are No, I guess new server can be uninstalled.
I would suggest cleaning up Active Directory first, if schema was extended and new server appears in ADSIEdit under CN=System,CN=System Management.

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Member_2_7494992Author Commented:
There is a couple of devices that connected to the new server but all have been rebuilt.

We are looking at keeping the new server and manually rebuilding all the collections, packages etc as there is only about a 100 to do and we want to new server to be clean as possible and the old one is failing.

I have removed the Management point DNS record and no more devices are connecting at the present time. We are setting out PKI and all communication to the new server will be secure. So I believe we should be able to have both systems as the old only is setup for http and the new is https only.
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