Case: 

Start>run>db2cmd

execute the command: db2 create dw on C:\ using codeset UTF-8 territory en PAGESIZE 16384

Solution:

1. Login as the Instance owner. [if you have installed db2 as Administrator, then login as Administrator] 2. Open a db2 command prompt. Then, Start->run->db2cmd A command prompt will open. 3. There you run the command db2 start db manager It should say that it is started if it is not started or it should say that it is active if it is active. If the error is different, then try this db2 start db manager user db2admin USING db2admin The word after the USING is the password of db2admin. If you have changed the password of db2admin, then use that password. 4. Now open the Control Center and try to create the database.