Sometimes there are situations where we need to create site collections with a specific content database. You could achieve this using the below steps. Create / User existing web application in which you want to create site collections . Go to Central Admin > click Application Management > click Manage Content Databases Select your desired web application (the one in which you want to add site collections). You can see below screen now, Note: You will be able to see a database name that is the database with which your web application is associated. In case you create a new Site collection in this web application then by default the visible database will be used. 3. Click Add new Content Database, below screen appears 4. Add new database name and click OK, in my case I am creating 2 such databases KP1 and KP2. 5. Once you are done you can see the created