Are there any technical Differences between stanard R3 and ISU

Hello everyone,
I have recently been speaking to a client who is running ISU. They are asking for assistance with thier landscape from a technical perspective (BASIS and DB). i.e. monitoring db growth, reorgs, etc.
Now, I have been working in BASIS for over 10 years now, and am very comfortable with the above rols. My question however is - are there any "technical" differences between the standard SAP system, and ISU? or are the differences mainly seen on the functional side?
Thank you very much for any insight any of you can provide.
Kind regards
Richard Rog

Hi Richard,
I have been a Basis administrator for IS-U/CCS systems for 7 years. The points Juris made are correct.
There are no new transactions or procedures for maintaining and monitoring an ISU system. ISU "sits" on top of R/3. The main ISU transaction for customer contact CIC0 has an HTML component that needs an ITS server. In a 4.6C system you will need to maintain an external ITS. In ECC 6.0 you will have an integrated ITS. The main difference from a Basis perspective is support pack application.
In 4.6C ISU is an add-in installed in SAINT. There are conflict resolution support packages (CRT's) that are installed at the same time the SAP_APPL support packages are applied. In fact SPAM recognizes the ISU add-in and won't let you upgrade APPL (and sometimes Basis) support packs without the CRT's.
In ECC 6.0 IS-U isn't an add-in any more and has it's own support packs in module IS-UT. IS-U must be turned on though during an installation or upgrade. This is done in SPRO with "Activate Business Funcitons".
Dustin
Edited by: Dustin Justet on Jun 27, 2008 10:47 AM
Edited by: Dustin Justet on Jun 27, 2008 10:51 AM

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