SharePoint 2013 Search – Assign query role to web servers

Topic – How to assign query role to web front end servers in SharePoint 2012 – Search topology:

For many reasons you may want to extend your SharePoint 2013 search topology and one of the requirements is assign the query role to dedicated web servers or web front ends. Below is the procedure how we can do this.

here is the screen shot with one server – search service application provisioned with all roles in that box.

s_q1

Two more web front end servers are added to the Farm (WFE01 and WFE02). Our end goal is assign query roles to these two web front end servers as below:

s_q2

Ref: http://technet.microsoft.com/en-us/library/jj862354.aspx

Imp Note: Before you start working on the PowerShell command, add the Firewall inbound rule to allow TCP port 808 on all SharePoint servers of the farm

Here are the PowerShell commands how to do it:

#clone the Active search topology

$ssa = Get-SPServiceApplication -Name “Search Service Application”

$active = Get-SPEnterpriseSearchTopology -SearchApplication $ssa -Active;

$clone = New-SPEnterpriseSearchTopology -Clone -SearchApplication $ssa -SearchTopology $active;

#Start the EnterPrise Search Component on wfe

$WFE01 = Get-SPEnterpriseSearchServiceInstance -Identity “WFE01”;

Start-SPEnterpriseSearchServiceInstance -Identity $WFE01;

# wait for 5 mins to start the search services

sleep 5;

# Make sure the search service instance status online before proceeding next steps

Get-SPEnterpriseSearchServiceInstance -Identity $WFE01;

# wait untill the status online before proceeding next steps, once the status online

# Add new search compomenent on wfe

New-SPEnterpriseSearchQueryProcessingComponent -SearchTopology $clone -SearchServiceInstance $WFE01;

#Activate the cloned search topology

Set-SPEnterpriseSearchTopology -Identity $clone;

#At this point PowerShell command prompt freezes until the search topology active. once it is active you can refresh the Search service application and see the topology changes;

#Repeat the same process for WFE02.

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