Issue: The search service is not able to connect to the machine that hosts the administration component. Verify that the administration component ‘GUID′ in search application ‘Search Service Application’ is in a good state and try again. Cause: search admin timer job was disabled Analysis : Execute below PS command in SharePoint Management Shell to verification of cause of this issue Get-SPTimerJob job-application-server-admin-service | fl It will return IsDisabled : True (See below screen) Solution : Execute below PS command in SharePoint Management Shell to fix this issue Enable-SPTimerJob job-application-server-admin-service Now it will return IsDisables: False To verify it execute command Get-SPTimerJob job-application-server-admin-service | fl Restart SharePoint Timer Service IISRESET My TechNet article
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