CUA - System Refresh

Hello,
I am new to CUA and need help in determining the pre and Post steps for CUA during the System Refresh. The System Refresh is performed on the Child System and after the Refresh my original users and Role assignments have to overwrite the users and Role Assignments of the Copying System.How do I retain my original User data ?
Are their any guidelines to this process ?
I am researching oss and forums,and so far I don't have any clear procedure.
thanks,
Farah

Hello Farah,
I think by system refresh you mean system copy.
From system copy perspective follwing steps need to be taken:
pre copy steps:
1. Disconnect CUA. Please go to the child system. Go to TRANSACTION BD64 and delete the ALE model view for CUA.
Subsequently go to parent system. Then to transaction SCUA. In menu bar go to Distribution model and then to Delete. Choose the radiobutton Child System and then give the logical name of the child system.
Post system copy activties:
1. in case the system copy has been performed from parent system of CUA to child system then go to child system and then goto BD64. Delete the exisitng ALE model for CUA. If parent system is not the source system of CUA you can ignore this step. Next Login to parent system. Go to SCUA then change mode and then add the logical system name of child system to it.Next go to SCUG and do user master reconcilliation.for this double click on child system and then under do transfer users wherver it is available.
Frankly these are ideal steps after system copy ahich I follow since there is not much disparity in user master data across systems in my CUA. So even if system copy happens the user master data in child system remains more or less the same.
If at all there is a minor difference I adjust it through SU01 or SU10. However in case there is a major difference then you it becomes a bit complicated. reasons being system copy wil overwrite entire stuff. Whether it is CUA or any other data. Say for example a child role exisits in child system but is not in the source system of system copy then it wont be present after system copy. if there are such issues then let us know. May be we can think
something. otherwise this approach should do the job for you.
Please award points if you found the anwers useful.
regards.
Ruchit.

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