Keep DNS services running well on your computer

If you enter ipconfig /displaydns at a command prompt you’ll see that Windows stores successful and unsuccessful name resolutions in cache.  By default, Windows will store this cache for 24 hours.  You can adjust this by doing the following:

Open the registry editor and navigate to:



Value: 14400
The entry 14400 is in seconds.  Enter this as a Decimal Base and NOT Hexadecimal.


Ipconfig /flushdns flushes these entries manually.



About TCAT Shelbyville IT Department

The Tennessee College of Applied Technology - is one of 46 institutions in the Tennessee Board of Regents System, the seventh largest system of higher education in the nation. This system comprises six universities, fourteen community colleges, and twenty-six Applied Technology Colleges.
This entry was posted in network, Networking, Technology, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server and tagged , , , , . Bookmark the permalink.

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