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The Basics

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Decor What is NetGong and why do I need it?
Decor What are the system requirements for NetGong?
Decor Why did you rename IPMonitor to NetGong?
Decor How renaming will be effected on users of IPMonitor?
Decor Does NetGong have the same features as IPMonitor?
Decor I am the user of IPMonitor. Should I upgrade to NetGong?
Decor How can I save all my setting and transfer them to NetGong?

Getting Started

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Decor When I try to start NetGong, I get an error message about a missing OLEACC.DLL. What do I do?
Decor When I try to start NetGong, it hangs at the information screen. What do I do?
Decor When I start NetGong, all hosts get stuck on verifying. What do I do?
Decor Why does my NetGong icon change colors?
Decor What is NetGong service?
Decor Why NetGong service?

Common Questions

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Decor What is a host?
Decor What is an IP address?
Decor What is a port?
Decor What is IP?
Decor What is TCP?
Decor What is UDP?

Monitor

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Decor What is RTT?
Decor When I press the Refresh button, I get an event log message with ID 4226. What do I do?

Other Questions

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If you have other questions please visit our online support form to forward your support request.

The Basics

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What is NetGong and why do I need it?

NetGong is an intuitive network monitoring tool that allows network administrators, webmasters, and Internet service providers to monitor any networked device on the Internet, corporate intranet, or TCP/IP LAN and receive alerts immediately via audible alarm, message, e-mail, or third-party software when a connection fails. It is a powerful personal monitoring product delivering low cost, simplicity of operation, and round-the-clock coverage.

Round-the-clock network availability is mission-critical to any successful e-business. Without a sophisticated monitoring solution, network devices or services can fail without so much as a peep. If that crash occurs over a holiday or weekend, you could be out of business for hours, or possibly days. Worse yet, you might find out from an irate customer. Avoid costly network downtime by using NetGong as your first line of defense. NetGong continually probes and transacts with network resources on timed intervals, to test their availability and responsiveness. If a failure occurs, NetGong automatically notifies you. The result? You are back in business faster!

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What are the system requirements for NetGong?

  1. Windows Vista, Server 2008, 7, Server 2008 R2, 8, Server 2012, 10, and Server 2016 (32-bit or 64-bit versions).
  2. Internet Explorer 7 or later.
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Why did you rename IPMonitor to NetGong?

We have formally renamed our network monitoring tool to NetGong in order to reflect a new emphasis on event notification technology and to better match the company's product line.

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How renaming will be effected on users of IPMonitor?

There are no changes and IPMonitor 6.0 license key will be working for NetGong 6.0 users equally.

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Does NetGong have the same features as IPMonitor?

NetGong 6.0 is fully compatible with IPMonitor 6.0 and includes all functions as well. IPMonitor was formally renamed NetGong to reflect a new emphasis on event notification technology and to better match the company's product line.

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I am the user of IPMonitor. Should I upgrade to NetGong?

Yes, because there will be no further support for IPMonitor. The upgrade is free of charge for users of IPMonitor 6.0.

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How can I save all my setting and transfer them to NetGong?

NetGong has a function to restore user’s settings from IPMonitor. All you need is to save all settings in IPMonitor and restore them in NetGong.

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Getting Started

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When I try to start NetGong, I get an error message about a missing OLEACC.DLL. What do I do?

This file is a component of Microsoft Active Accessibility (MSAA) library. Probably you don't have MSAA installed, or the installed version is outdated. To resolve this problem, please do the following:

  • Windows 98, Me, NT, and 2000. Download and install the current MSAA version 2.0 from Microsoft.
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When I try to start NetGong, it hangs at the information screen. What do I do?

Probably Active scripting is disabled for your My Computer security zone. This security zone is hidden by default on the Security tab in the Internet Options dialog box. The Flags value in the following registry key determines whether you can view the My Computer security zone on the Security tab in the Internet Options dialog box:

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0

Setting the data value of the Flags value to 47 (in hexadecimal) causes the My Computer security zone to be displayed. Setting the data value of the Flags value to 21 (in hexadecimal) causes the My Computer security zone to be hidden.

To enable NetGong to run, you need to enable Active Scripting. Please do the following:

  1. Start Internet Explorer.
  2. Select Internet Options from the Tools menu.
  3. Select My Computer on the Security tab.
  4. Press the Custom Level button.
  5. Enable Active scripting.
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When I start NetGong, for the first few minutes, everything seems to work fine, but then all hosts get stuck on verifying and eventually my screen is flooded with messages saying host failed. What do I do?

Test and change your connection's maximum transmission unit (MTU) limit. An MTU limit that is set too high can cause fragmented packets and packet loss on your connection. This tutorial will explain how to test if your MTU limit is sending fragmented packets and will explain how to find what value you should be using.

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Why does my NetGong icon change colors?

Whenever NetGong is running, its icon will be visible in the system tray. However, apart from simply letting you know whether or not NetGong is running, the icon is also dynamic and will change colors based upon the current NetGong status. The following is a list of the icon indicators:

  • Violet - All OK.
  • Red - Network is down, no answer from host, or service failed.
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What is NetGong service?

The NetGong service is a background process which is loaded when the computer is started. This occurs before you log in. If you launch NetGong on the desktop, the service instance will terminate. When you exit NetGong or logoff, it will initiate a startup of NetGong in the current service context.

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Why NetGong service?

The NetGong service can be started without you having to login to the computer. The service also will not stop after you log off. The benefit of running NetGong as a service is you can schedule your monitoring operations and be sure that NetGong is running them when you are logged in or not.

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Common Questions

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What is a host?

Any (end-user) computer system that connected to a network. Hosts range in size from personal computers to supercomputers.

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What is an IP address?

The 32-bit address assigned to hosts that want to participate in a TCP/IP Internet. IP addresses are the abstraction of physical hardware addresses just as an internet is an abstraction of physical networks. Actually assigned to the interconnection of a host to a physical network, an IP address consists of a network portion and a host portion. The partition makes routing efficient.

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What is a port?

The abstraction that transport protocols use to distinguish among multiple destinations within a given host computer. TCP/IP protocols identify ports using small positive integers. Usually, the operating system allows an application program to specify which port it wants to use. Some ports are reserved for standard services (e.g. electronic mail).

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What is IP?

(Internet Protocol) The TCP/IP standard protocol that defines the IP datagram as the unit of information passed across an internet and provides the basis for connectionless, best-effort packet delivery service. IP includes the ICMP control and error message protocol as an integral part.

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What is TCP?

(Transmission Control Protocol) The TCP/IP standard transport level protocol that provides the reliable, full duplex, stream service on which many application protocols depend. TCP allows a process on one machine to send a stream of data to a process on another. It is connection-oriented in the sense that before transmitting data, participants must establish a connection. Software implementing TCP usually resides in the operating system and uses the IP protocol to transmit information across the underlying internet.

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What is UDP?

(User Datagram Protocol) The TCP/IP standard protocol that allows an application program on one machine to send a datagram to an application program on another machine. UDP uses the Internet Protocol (IP) to deliver datagrams. Conceptually, the important difference between UDP datagrams and IP datagrams is that UDP includes a protocol port number, allowing the sender to distinguish among multiple destinations (application programs) on the remote machine. In practice, UDP also includes a checksum over the data being sent.

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Monitor

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What is RTT?

(Round Trip Time) A measure of delay between two hosts. The round trip time consists of the total time taken for a single packet or datagram to leave one machine, reach the other and return. In most packet switching network delays vary as a result of congestion. Thus, measures of round trip times usually give averages, which may have high standard deviation.

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When I press the Refresh button, I get an event log message with ID 4226. What do I do?

By design Windows XP Service Pack 2 limits the number of simultaneous incomplete outbound TCP connection attempts to 10. After the rate is reached, subsequent connection attempts are placed in a queue eventually to be resolved at a fixed rate. This slows down programs that open multiple TCP connections at once. NetGong is a good example of this. If there are more concurrent TCP connection attempts, Windows XP Service Pack 2 generates a warning: "TCP/IP has reached the security limit imposed on the number of concurrent (incomplete) TCP connect attempts."

To change or remove the limit, you can use a patching program. For more information please visit http://www.lvllord.de.

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