Solution:
Open SharePoint 2010 Central Administration Home page, click Application Management.
On the Application Management page, in the Service Applications section, click Configure service application associations.
On the Service Application Associations page, select Web Applications from the View drop-down menu.
Under Web Application / Service Application, select web application which you have create FAST Search site
Edit the following group of connections: Select "Custom"
"Search Service Application" should check.
[caption id="attachment_6553" align="alignnone" width="300"]
The search request was unable to connect to the search service[/caption]
Open SharePoint 2010 Central Administration Home page, click Application Management.
On the Application Management page, in the Service Applications section, click Configure service application associations.
On the Service Application Associations page, select Web Applications from the View drop-down menu.
Under Web Application / Service Application, select web application which you have create FAST Search site
Edit the following group of connections: Select "Custom"
"Search Service Application" should check.
[caption id="attachment_6553" align="alignnone" width="300"]
The search request was unable to connect to the search service[/caption]
