By default, the Directory Serveris started when you complete your installation.
You can also start and stop the Directory Server by accessing the dsadm.exe file in the bin folder of the Directory Server installation directory.
Change to the DirectoryServer-base\ds6\bin directory.
cd DirectoryServer-base\ds6\bin
Start the Directory Server instance.
dsadm.exe start instance-path
For example, type the following command to start the Directory Server instance.
dsadm.exe start C:\Program Files\Sun\JavaES5\DSEE\var\DSInstance