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Starting and Stopping the SDM
(Windows) 
On Windows, you administer the SAP J2EE Engine and its processes with the SAP Management Console. To operate the SDM independently of the Engine, you must start or stop the SDM as a process in the SAP Management Console.
You also have the option of controlling the SDM from the command line.
You have installed the SAP J2EE Engine on the operating system Windows.
To start the SDM Server with the Java Control Framework, proceed as follows:
...
1. Start the SAP Management Console and select the SAP J2EE Engine entry Process List.
2. Select the SDM process and choose Enable Process in the context menu.
You stop the SDM process by choosing Disable Process.

Remember that you can operate the SDM with the SAP Management Console only if the SDM is running as an integrated part of the Java Control Framework. (See also Running the SDM in Standalone Mode.)
Stop the SDM as follows:
..
1. Navigate to the <sdm-home>/program directory of your Engine installation.
2. Open a command prompt.
3. Stop the SDM Server with the command StopServer "password=<sdm_password>".
Start the SDM as follows:
..
1. Navigate to the <sdm-home>/program directory of your Engine installation.
2. Open a command prompt.
3. Start the SDM Server with the command StartServer.
You have started or stopped the SDM independently of the SAP J2EE Engine.

If you want to restart the SAP J2EE Engine completely, you must stop the SDM again separately, since this service is started automatically with the Engine.
See also:
Starting and Stopping the SAP System
