Fix for SharePoint Search 2010 not able to connect to machine that hosts the admin component.

I faced a ugly error today on my central admin says Search Service not able to connect to the machine that host the administration component.

I read many blogs and mostly said create a new Search Service Application. I tried that but still the problem exists.

Below are the steps I followed to solve the issue of Serch Service Application.

1. Deleted the existing Search Service Application.
  
a. Get-SPServiceApplication
This will help to get the Search Service Application GUID.Copy the Search Service Application GUID
b. stsadm -o deleteconfigurationobject -id <GUID> from step a.

2. Delete the Application Pool for Search Service Application

a. Get-SPServiceApplicationPool
This will lists all the Service Application Pool. Find the one associated with Search Service Application
b.Remove-SPServiceApplicationPool <ApplicationPoolName>

3.Delete the CrawlStoreDB, PopertyStoreDB and AdminDB from the SQL Server responsible for holding all information related to Search Service Application.

Above three steps are just the clean up steps

4.Now Create the Search Service Application using the below blog
http://waelmohamed.wordpress.com/2011/05/31/configure-sharepoint-2010-search-service-application/

5.Now If you still see the error then the trick is beloe simple STSADM command
Resolution: Run the following stsadm command

stsadm -o provisionservice -action start -servicename osearch14 -servicetype "Microsoft.Office.Server.Search.Administration.SearchService, Microsoft.Office.Server.Search, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c"

do a simple iisreset /noforce

Thats it!!! it will start working!!!

Hope this will help and fix the issue.