Step by Step setting up Operation mode for beginers

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I had searched on the above key words on scn and coul not find any document when I needed. So thought of sharing the steps I followed for setting up operations mode.

What are operations mode ?

When there is memory limitations in SAP, we may not be able to define high number of dialog or back ground processes. Operations modes are a concept provided by SAP to take advantage of this fact. We can define more number of dialog processes and less batch processes during day time and vice versa. We can define the duration for day and night time operation mode. System will switch to day or night based on the settings and improve the system performance.

1. Start transaction rz04

2. Click the create button

Enter the operation mode and description. create one for day time and one for night time.

Click on instance operation mode.

Following screen comes

double click on any one the following screen appears

click on other operation mode.

Select the operation mode you have created.
Press F4 or the button. Take the cursor to the back ground and click +
or – the way you want the process to be set. Save it

Press save once more

start transaction sm63

Press Change

1. First select the hours for eg. From 8 to 17
2. Select
   the operation mode you want selected
3. select the hours
   17 to 23
4. Select the operation mode you want selected
5. select the hours
   00 to 8
6. Select the operation mode you want selected
7. Then press save.
8. if you want to switch current mode immediately then start transaction rz03
9. Select on the serer you want to switch
10. From the drop down menu bar press control -->switch operation mode-->select server

1. Say yes and the switch mode happens.
2. Go to /nsm50 for checking if the process got
   changed you can alos check the log file and go to the end for checking the log
   file written
3. You can also check/nsm21. The log fiel should
   have an entry of the change