Function documentationOverview of SAP application Servers Locate this document in the navigation structure

 

You can display the application servers that have registered themselves with the SAP message server by executing transaction SM51, or by choosing   Administration   System Administration   Monitor   System Monitoring   Servers  . These are the instances of your SAP system. From their status, you can recognize which application servers are active in this SAP system.

You can also administer the application servers, and manage and display the status of the users and work processes in all application servers belonging to the SAP system.

Integration

The function for managing users and work processes corresponds to the user and process tools.

For more information, see

Displaying and Controlling Work Processes

Display and Manage User Sessions

Features

Server Table

The application server display includes the following information:

  • Server Name: The name of each application server.

    The name usually consists of the host name, the SAP System name, and the SAP System number.

  • Host Name: Host name of each application server

  • Message Types: Services provided by the application server. This contains the configured SAP work process types (Dialog, update (Update and Upd2), Enqueue, Batch and Spool) as well as the following services:

    • ICM. This means that on the application server in question an Internet Communication Manager (ICM) is configured that can accept or send requests from the Internet (HTTP and other protocols).

      For more information, see Internet Communication Manager (ICM).

    • J2EE: The Application Server Java is configured on this server. This means it is a server that can execute both ABAP and Java/J2EE programs.

      For more information, see Architecture of AS Java.

    • VMC: The SAP Virtual Machine Container (VMC) is configured on this server, which means that there is a Java VM as well as an ABAP VM in the work process.

      For more information, see SAP Virtual Machine Container

  • Server Status: An application server can have one of the following statuses:

    • initial

    • started

    • Active

    • Passive

    • shutdown

    • stop

    For more information, see SAP Application Server States

    Note Note

    You can make changes to the state using   Goto   Server   Administration  .

    For more information, see Server Functions

    End of the note.

You can add the following columns by changing the layout:

  • Service: Service port or service name under which the server can be reached.

  • Host Address (IPv4): IP address of the host in IPv4 notation

  • Host Address (IPv6): IP address of the host in IPv6 notation

  • Port: Port number

  • Port (hex) : Port number in hexadecimal form.

Menu and Button Functions

The following functions are available as buttons or in the menu:

Note Note

You can use your cursor to select an application server by clicking on the relevant line (except for the Refresh (Refresh) function). The function that is executed then refers to this server.

End of the note.

Function

Meaning

Refresh (Refresh)

Refreshes the display

Processes (Processes) (or double-click)

Displaying and Controlling Work Processes

User (User)

Displaying and Managing User Sessions

SNC Status (SNC Status)

SNC Status

Release Information

For displaying detailed release information for an application server (SAP kernel, database, operating system)

Remote logon (Remote logon)

Log on by any server in the system; you can see the server where you are logged on in the status bar in the second entry from the left.

System Log (System Log)

System logs

General list functions

Choose detail, filter, sort in ascending and descending order.

There are additional functions that you can only use via the menu:

  •   Goto   SAP directories  

    The SAP directories for the selected server displays: The environment variables on the left, the path on the right, where the directory is physically located and its name. To display the contents of a directory, double-click that directory or click the Display button. You can also display the individual files here. For more information, see the CCMS documentation.

  •   Goto   Gateway Monitor  

    You can also reach the gateway monitor via transaction SMGW.

    For more information, see Using SAP Gateway Monitor in SAP System

  •   Goto   ICM Monitor  

    You can also reach the ICM monitor using transaction SMICM. This is only relevant for servers that offer the ICM service (see above).

    For more information, see Using the ICM Monitor

  •   Goto   VM Monitor  

    The VM overview can also be reached via transaction SM52. This is only relevant for servers that offer the VMC (Virtual Machine Container) service (see above).

    For more information, see VM Overview

  •   Goto   Server   Administration  

    Here you will find the administration functions (stop, (de)activate servers, test connection to message server, trace) that you can also find in the message server monitor (transaction SMMS).

    For more information, see Server Functions.

  •   Goto   Server   Information  

    Here you can find the following information about the individual application servers:

    Function

    Meaning

    Environment

    This displays the environment variables for the selected server.

    Communication table

    The communication table for the relevant application server is displayed.

    The RFC connections to the server on which the cursor is positioned are displayed.

    Both connections where the local dispatcher is the client and connections where the local dispatcher is the server are displayed (the connections that were made externally to the server).

    Queue info

    Queue info

    Release Information

    Same information as with the pushbutton Release Notes (see above)

    WP-CA blocks

    Internal information for troubleshooting

    APPC-CA blocks

    Logon Data

    Logon data pertaining to the selected server.

    Trace Search

    You can specify a character string in accordance with which all dev_* trace files are searched. This provides an initial overview of the error search.

    Socket Table

    Management of virtualized sockets. The function is only relevant for the Virtual Machine Container.

    Periodic Tasks

    Display of SAP kernel periodic tasks which the dispatcher schedules.

  •   Goto   Server   OS Monitor  

    The operating system monitor (OS monitor) delivers statistical information on the host platform of an SAP instance.

    For more information, see Operating System Monitor in the CCMS documentation

  •   Goto   Host Name Buffer   Reset   <Component>  

    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 operating system level and then, instead of restarting, resetting the host name buffer for the following components:

    • Selected application server

    • Message server

    • Internet Communication Manager (ICM)

    • Entire system (all host name buffers)

    For more information, see SAP Note 25917