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If you've recently made changes to a Monitor's IP Address / Domain Name Test Parameter entry, but the old record continues to remain cached, it is possible to clear the Domain Name System (DNS) cache to correctly load the updated data.

ipMonitor uses the host computer's client-side DNS caching feature. Using the standard IPCONFIG command-line tool built-in to all Windows 2000, 2003 and XP systems, you can view and flush the DNS Resolver cache.

To clear the system's cache, proceed with the following:

1. Open a command prompt:
   Click Start, point to All Programs, point to Accessories, and then click Command Prompt.
2. Issue the following command to flush the DNS Resolver cache:
   ipconfig -flushdns

The following command will display the contents of the cache:
              ipconfig -displaydns

For additional information on Windows DNS caching, refer to the following Microsoft support articles:

• How to Disable Client-Side DNS Caching in Windows XP and Windows Server 2003
• How to Disable Client-Side DNS Caching in Windows 2000

For information on other features and concepts related to those discussed in this article, refer to the following ipMonitor resources:

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Last Updated: April 17, 2006 | What did you think of this topic?