Change Search Service Account and Remove old topology in SharePoint 2013

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These are some post configurations related to search service in SharePoint 2013.

Change Search Service Account

  1. Open SharePoint 2013 management shell as farm admin
  2. Run the following commands

$password = Read-Host –AsSecureString Password

Set-SPEnterpriseSearchService -IgnoreSSLWarnings $true -ServiceAccount domain\searchsvc  -ServicePassword $password

Remove Old topologies

  1. Open SharePoint 2013 management shell as farm admin
  2. Run the following commands

$ssa = Get-SPEnterpriseSearchServiceApplication -Identity "SSA Name"

Get-SPEnterpriseSearchTopology -SearchApplication $ssa

 

Then just copy the GUID for inactive topology and run

Remove-SPEnterpriseSearchTopology -SearchApplication $ssa -Identity  620f2d33-08fd-4d3a-95ed-a3ed7cda130f

Then enter (Y)