Please note that this script was based on this thwack message.
All I did was to change the swsql query used to get the URI and to search and delete a node via PowerShell
# This script will search for node and delete it if exists
#
################################## Attention ###############################################
# You must have Orion SDK installed and set-execution policy must be set to unrestricted!!#
#Before running you must setup your hashed encrypted password using the line below. #
###########################################################################################
#### Prerequisites ###
# run the line below save credentials to be used by this script on a encrypted file
#GET-CREDENTIAL –Credential "EnterTheOrionUserNamehere” | EXPORT-CLIXML C:\Scripts\SecureCredentialsSAM.xml
## Load the SolarWinds Powershell snapin.
##Needed in order to execute the script.
##Requires the Orion SDK 2.0 installed on the machine this script is running from.
Add-PSSnapin SwisSnapin
# SolarWinds username and password section.
# It is recommended to use a local account create within SAM with only. I strongly recommend that you don't use a MS local account or domain account.
# This section allows the password to be embedded in this script. Without it, the script will not work.
#This is using the hashed encrypted password
$MyCredentials=IMPORT-CLIXML C:\Scripts\SecureCredentialsSam.xml
$ORIONSERVERNAME = 'yourserver.domain.com'
#This is connecting to SAM to pull the info we need need with the info given
$swis = Connect-Swis -Credential $MyCredentials -host $orionservername
$nodename = read-host "Enter node Name"
$nodeuri = Get-SwisData $swis "SELECT Uri FROM Orion.Nodes WHERe NodeName LIKE '%$nodename'"
if (!$nodeuri) {Write-Host "node does not exist on SAM"}
if ($nodeuri) {
Write-Host "node exist, uri: $nodeuri"
Remove-SwisObject $swis $nodeUri
Write-Host "node has been removed"
}