The first step towards configuration of Fast Search in SharePoint 2010 environment is to have the SharePoint Enterprise edition activated. This will have a Feature called Fast Search Server 2010 for SharePoint Master Job Provisioning
To check this get into Central Admin -> System Setting -> Manage Farm Feature.![]()
If you do not see this available here following are the steps to follow.
Go to Central Admin -> Upgrade and Migration click on Enable Enterprise Feature
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There you can verify whether the Enterprise feature is activated or not.
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If not go ahead and activate the Enterprise feature with a valid License key.
Once activated you can see the Fast Search Server 2010 for SharePoint Master Job Provisioning activated.