Regarding Upgradation From 4.6 C To ECC 6.0-Urgent

Hi all
can anybody let me know what is procedure to upgrade the SAP From 4.6 C To ECC 6.0 from MM and CIN point of view
--is Up gradation is just like an implementation or Enhancement process
any help would be appreciable
thanks in Advance
Edited by: JAM SAP on Feb 27, 2008 8:47 AM

Upgrading project mostly involves testing with the existing system with the new system.SAP already released the release notes for this Upgrading ECC 6.0.
(1). YOu have to do unit test/Integration test/Regression test in your new system based on the business process documents prepared for your present system.
(2). You mostly encounter Interface issues(If exist)/Authorization issues/Enhanced naming issues/Usage issues.
(3). In 46C you have to do external configuration for CIN.However In ERP 2005, It is already in built.Hence Knowledge of CIN will be more than sufficient to manage the CIN issues.
(4). More over you must be very confident in the business process.Unless you will receive many UAT issues.
(5). I strongly advice you based on my experience, Whenever you do unit test and Integration test, use your user id to.When you do regression testing, get the user id from user copy all the roles from the user id and create new id.Using this new id you do the Regression testing.This will avoid many problems.
(6). Another Imprtant big issue is patch work infomation.After release of 46C, SAP released many patches for 46C.However these patches are all not updated in to your present 46C system.These patches are already in in built in ECC 6.0, hence you will get diff.result when you do testing.If such a case, advice the user about the patch work, and proceed. In most of my cases , SAP enjoyed with 46C without patch scenario, but in ECC6.0 they started to complain, b'cas the new patches.
(7).Give me your mail id ,I will send you the release notes.
(8).Note down my forum discussion to know about the some of the issues.
Hopefully it will be helpful, Let me know, If you need more Information.Thanks
Reward If useful!

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