Alchemy Network Monitor, an effective tool for which you will not mind spending any amount.
    Minimize network downtimes and their economic impact with this effective tool that will keep a close monitor over your network servers and business-critical applications availability and its performance. This reliable tool will immediately alert you in case of any server malfunction. It works with ICMP ping, NT event log, HTTP and FTP URLs, disk space control, NT service state monitoring, Oracle Server, Microsoft SQL Server and many more servers and protocols. It helps the administrator in making reports by providing him with reports of network servers and devices availability and performance. The tool displays the network map making easy for the administrator to locate problems. It also provides a network scanner that will allow you to easily add any network device to your server list.
    The tool actively sends detailed reports on servers activity and performance to the administrator.