1. start the Windows Sharepoint Service Search
How?
Sharepoint 3.0 Central administration
Operations
Services in server
Click start the Windows Sharepoint service search. It's better go to services.msc to configure the sharepoint search to automatic start.
2.
Sharepoint 3.0 Central Administration
Application Management
Content Database
Click on the Content Database Name
Specify the indexer server as shown below:
