How to disable an organisation in Microsft CRM 2011 (MSCRM)

With the c# code below you can disable or enable an organisation in Microsoft CRM 2011 by using the Deployment Service:

EntityInstanceId i = new EntityInstanceId();
i.Id = OrganisationId; //Organisation Id
           
DeploymentService.Organization organization = (DeploymentService.Organization)Provider.deploymentservice.Retrieve(DeploymentEntityType.Organization, i);
               
//Update status to disabled
organization.State = OrganizationState.Disabled;

DeploymentService.UpdateRequest updateRequest = new UpdateRequest();
updateRequest.Entity = organization;

//update status
Provider.deploymentservice.Execute(updateRequest);