SM51 - instances of SAP system - monitoring

 1. Access T-code:SM51.

Check:
1. Check the Application server instance - state as active.
2. During any maintenance activity, we can make state as - Deactivate.
       Goto--> Administration -->state -->Deactivate.

3.after completing maintenance activity, we can make state as - Activate.

       Goto--> Administration -->state -->Activate.

4.To check list of Users in all the clients(100,200 etc.,)
       Goto --> Users.
   Analysis the user load in all the clients.

5.This option lets you make the changes made in the OS hosts and services tables in a running.
    SAP system take effect by making the desired changes at the operating system level and then

      instead of restarting, resetting the host name buffer for the following components.

     SM51 --> Go to -->Host Name Buffer --> Reset --> Entire System.

Dialog work process status in sm50

 

Waiting: The process is waiting "Available" to serve the user..

Running: The process is executing the task.

Sleep mode: Waiting for resources( RFC problems).

ON hold: The user request is on hold by process for waiting certain resources on the other systems(RFC CPIC).

PRIV Mode: The process goes in to heap mode, it will be completed only after the task completion/ Timeout.

Stopped: The process is stopped due to an error.

Shutdown: The process is killed/shutdown but restart mode set to NO.