User Creation In Sap | Administrator users Logon

Q-:1 why problem in 555 client there is no DDIC user we can able to
login only by SAP* and create the user but why  not able to Copy
End User Roles.

Ans-:Create a user with SAP_ALL profile then you can do from that user

  Note-: link to download ECC 6.0 IDES system.

You can download the software form http://service.sap.com/swdc -> Installations and Upgrades -> A - Z Index -> E -> SAP ERP -> SAP ERP 6.0 -> IDES Version

Query -:  1-In our company rdisp/tm_max_no =3D 200. suppose if the no of user reaches 200 SAP will not allow the other user to enter. In that case how to control the sap user through OS level other than (dpmon) command.
We are in SAP R3 4.7EE
Os: solaris9
Database: oracle 9.2

Ans-: Yes, You can Administer Users logged on to an SAP system using the command
Log on to system as SIDADM
dpmon pf=<Full Path Instance Profile>
then enter m for menu
then enter l for work process admin table long
Then you will see the list as SM50 and from here you can kill a user session or restart work process for the user or stop work process.

Sap Regression Testing And Client Copy Logs Questions

Q1. remote client copy from Production to development server successfully But why for 
existing Material document we are not able to view accounting document
and how can done it.
ans-
Check the client copy logs and see if there were any errors if any error occur then resolve it and then try again.
Q-:2 In setting the first Sap-Screen visible to user
after logging in his ID.Like if i want user to use TCODE- SE38 after logging
IN,how can i change it. 
Ans-:
Login by user ID. press Shift+F7. mention the TCODE. it will be his
default default TCode like SE38.
 Q3-:

Actual regression testing scenarios for kernel upgrade. 

Ans-:

Ecc6.0 system which has SAP HR and our customized developments for our HR application. 

We are applying a Snote and the prerequsite for the applying the snote is a kernel upgrade. As I know we can only do testing or checks for a kernel upgrade. I am not aware of any regression testing steps for a kernel upgrade. Please let me know if we have regression testing scenarios for the same.

The regression testing is the responsibility of the Application team. In the past there have been some issues with Application Transaction codes after a kernel upgrade.
Remember to make a copy of the current kernel before changing the kernel.