<#

.SYNOPSIS

<Delete Unwanted Host Instances on the specified BizTalk Server >

.DESCRIPTION

< you can delete the host instances that are not using , because host instances cause CPU and Memory Consumption>

.EXAMPLE

<Open the script in power Shell ISE with Run as Admin permission in the Any one of the BizTalk Web server and run it>

#>

[ARRAY]$hostInstanceObj = get-wmiobject MSBTS_HostInstance -namespace ‘root\MicrosoftBizTalkServer’ -Filter ‘RunningServer="Server1"’

[ARRAY]$HostInstanceObj1 = "Process_Host2","Archive_Host" # Provide the Unwanted Host Instances that you want to remove on the Server1

$hostInstances = $hostInstanceObj | ?{$HostInstanceObj1 -contains $_.hostname}

[ARRAY]$HostInfo = get-wmiobject MSBTS_ServerHost -namespace ‘root\MicrosoftBizTalkServer’ -Filter ‘ServerName="Server1"’

foreach ( $hostInstance in $hostInstances)

{

if ( $hostInstance.GetState().state -eq ‘4’)

{

Write-Output " stopping the Host name $($hostInstance.hostname)"

$hostInstance.InvokeMethod("Stop",$null)

}

if ( $hostInstance.GetState().state -eq ‘1’)

{

Write-Output " Deleting the Host name $($hostInstance.hostname)"

$hostInstance.InvokeMethod("UnInstall",$null)

foreach ( $hostrem in $HostInfo )

{

if ( $hostrem.hostname -eq $hostInstance.hostname)

{

$host2 = $hostrem

$host2.InvokeMethod("UnMap",$Null)

Write-Output " Unmapped the Host $($hostrem.hostname)"

}

}

}

}

Disclaimer : Please test in Lower environments before using this production . it Deletes the Host Instances that you mention