Question about source system copy for BW

Dear all,
I have a quick question about copying a source system for BW.
We have two clients in the source ERP:
100 Customizing
200 Testing
Our BW is only linked to client 200, so when we now delete client 200 and make a copy from 100 to 200, are we then still able to restore the source system connection so that our extraction will work, or will it fail, as in client 100 I have no BW related (except the cross-client-objects like datasource) information, that can be used for a possible restore of this connection.
What is the procedure in this case?
Thanks,
Andreas

Unfortunately, you will lose your source connection and need to create a new one in R/3. You can use the same source system name in BW, but check the source system connection after the copy (SM59). Also, I would "Restore" the source system (in BW, right-click on Source system in RSA1, and click "Restore") to insure the datasources get replicated from R/3 to BW.
Depending on how much you want your BW and R/3 systems to be in synch, you will need to rebuild all your data providers (cubes/ODS's) from your R/3 system. This means deleting all the data and running the initializations from scratch. At the very least, you will need to rebuild the delta queues.
Curious, if 100 is just for customizing, is there any data in it? Are you just creating a new blank client 200?

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-> by which means do you plan to copy? brbackup/brrestore? r3copy? r3load?
ad 1.
SAPNet -> Patches -> Add. Components -> SAP Kernel -> 32 BIT (uni oder non-uni depending on your environment) -> SAP Kernel 6.40 32-bit -> Windows Srv -> Oracle -> R3ldctl_6-20000185.SAR (13.07.2006) is the right file (your kernel is 6.40!!!)
ad 2.
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