Delete the group from the site collection using SharePoint 2010 web service in powershell

Steps Involved:

1. Open SharePoint 2010 Management Shell by going to Start | All Programs | SharePoint | Microsoft SharePoint 2010 Products | SharePoint 2010 Management Shell (Run as Administrator).
2. Run the following script.

Powershell Script:

## Delete the group from the site collection using SharePoint 2010 web service in powershell $uri="http://serverName:10736/sites/ECT/_vti_bin/UserGroup.asmx?wsdl" ## $groupName is a string that contains group name to be deleted [String]$groupName ="Group2"; ## Web Service Reference - http://Site/_vti_bin/UserGroup.asmx $usergroupWebServiceReference = New-WebServiceProxy -Uri $uri -UseDefaultCredential $usergroupWebServiceReference.RemoveGroup($groupName)

Using the above script you will able to delete a group from the current site collection.