Difference betwwen system and system alais

Hi All,
What is the System Object and System alias ?
Why can'y we access the system object with out system alias what is the reason for creating system alias for system object ?
In ESS configuration he is asking to create 3 to 4 system objects with different system aliases. Why can't we create single system object and assign all three system aliases to that object?
Thanks and Regards,
Phanikumar.

> Hi All,
>
> What is the System Object and System alias ?
A system object is a Portal Object that represents the backed system by means of sprecifying the system ID, client number, WebAs URL etc. The runtime uses this to call the call backend transactions/RFC's using JCo.
>
> Why can'y we access the system object with out system
> alias what is the reason for creating system alias
> for system object ?
The system is known to the outside world viz. iViews etc through its alias. Its like a Name for your system. You can have more than one alias for your system just like many people may call u by different names.
>
> In ESS configuration he is asking to create 3 to 4
> system objects with different system aliases. Why
> can't we create single system object and assign all
> three system aliases to that object?
The reason behind this is that the ESS objects e.g. ITS iviews, Transactions WD iviews etc have in their System refernce different aliases. SO to allow these applications to execute we need to have that many aliases iplying creating that many systems.
>
Hope this helps.
If so consider rewarding points.
Regards,
Prem.
SAP

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