SharePoint 2010 – Search service is not able to connect to Administration component server

In this blog post, I would write about most generic issue in SharePoint 2010 search service application and I am sure many of you have already come across this:

In SharePoint 2010 – When you try to browse to a Search Service Application (SSA), it shows he below error:

“System Status:

Crawl: The search service is not able to connect to the machine that hosts the administration component. Verify that the administration component c8519b74 status -<GUID> in search application Search Service Application is in a good state and try again.”

Additionally, you should see below errors in the Event logs:

“Description: The Execute method of job definition Microsoft.Office.Server.Search.Administration.CrawlReportJobDefinition (ID 6dd22d5b-45cb-4860-aa01-d7f7d227a2f6) threw an exception. More information is included below.

The search service is not able to connect to the machine that hosts the administration component. Verify that the administration component ‘9eff6ca0-1e01-4bf4-9653-b26ea54d0e5f’ in search application ‘SP2010 – Search Service Application’ is in a good state and try again. “

If you run PowerShell command ‘Get-SPEnterpriseSearchServiceInstance’, it will show “{}” (NULL) in AdminComponents field.

To get rid of this, follow below steps:

Login to that server.

Run below PowerShell command:

$varInstance = Get-SPEnterpriseSearchServiceInstance -local   # (Assuming that you have only one SSA in farm)

If you type $varInstance and hit Enter key, you should see SharePoint Server Search instance details.

If you see it disabled then run another PS command

Start-SPEnterpriseSearchServiceInstance -Identity <servername>

Once above runs successfully, execute below:

$varSearchApp = get-spenterprisesearchserviceapplication

Now set search Admin component:

set-spenterprisesearchadministrationcomponent –searchapplication $varSearchApp –searchserviceinstance $varInstance

After it gets completed successfully, you need to wait for sometime, may be about 5-10 minutes. Admin component should be ready and you should be able to browse SSA.

Source SharePoint 2010 – Search service is not able to connect to Administration component server.

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