Enable a disabled user in CRM 4.0

the following Code snipped will help to Enable a disabled USER in CRM 4.0 if(((CrmBoolean)de.Properties["isdisabled"]).Value)//It checks if the user is disabled or enabled. { SetStateSystemUserRequest set = new SetStateSystemUserRequest(); set.EntityId = userID; set.SystemUserState = SystemUserState.Active; set.SystemUserStatus = -1; crmHelper.Execute(set); }