Starting an SAP System: Windows NT 
Use
You start the SAP System with the
Microsoft Management Console(MMC). A newly installed MMC only allows you to start an SAP instance that is installed locally on the host that you are logged on to. If the MMC is configured for centralized system management, you can start the entire SAP System from a single host.The SAP System can also be started at the command prompt.
Procedure
Starting an SAP System with MMC
Depending on whether you selected an individual instance or the SAP System, one of the following is started:
Starting an SAP System at the Command Prompt
Open a command prompt. To start the central instance, enter the following in a single line:
sapstart pf=\\<central>\sapmnt\<sapsid>\sys\profile\start_<instance>_<central> SAPDIAHOST=<central>
Substitute strings as follows:
<sapsid>
SAP R/3 System name, for example, C11For your values see the definitions in the profiles. All profile names and values including the hostnames are case sensitive.

If
If the system does not start correctly, you can analyze the problem as described in
R/3 System on Windows NT: Problem Analysis.See also:
Start and Shutdown Processing under Windows NT