Manually stopping Db2 on Windows
You can stop IBM® Db2® manually on Windows™.
To restart Db2, issue the db2start command from the Db2
Command window. Before you can issue the command, you must first start these services on the Windows Services panel:
DB2 - DB2-0
DB2DAS - DB2DAS00
DB2 JDBC Applet Server
DB2 License Server
DB2 Security Server