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How to See and Flush the Contents of the DNS Resolver Cache in Vista Information | | When you type a web address into your web browser and press ENTER, you are sending a query to a DNS (Domain Name System) server. If the query is successful, the website you want opens; if not, you'll see an error message. A record of these successful and unsuccessful queries is stored in a temporary storage location on your computer called the DNS cache. DNS always checks the cache before querying any DNS server, and if a record is found that matches the query, DNS uses that record instead of querying the server. This makes queries faster and decreases network and Internet traffic. IE7 has it's own DNS cache it manages, not including this one. For more detailed information, see: Windows Help and How-to: DNS (Domain Name System) FAQs |  | NOTE | | If the DNS Cache becomes corrupted, it can cause internet connection problems. Flushing the DNS Cache resets it clean. |  | RELATED LINKS: | OPTION ONE: |
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| How to Flush the DNS Cache |
1. Open a elevated command prompt.
2. In the elevated command prompt, type: ipconfig /flushdns and press Enter. (See screenshot below)
3. You will recieve the following message if successful:
Windows IP Configuration Successfully flushed the DNS Resolver Cache.
NOTE: If not, repeat step 5 and check for a typo.
4. Close the elevated command prompt when done.
| OPTION TWO: |
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| How to See the DNS Cache Contents |
1. Open a elevated command prompt.
2. In the elevated command prompt, type: ipconfig /displaydns and press Enter. (See screenshot below step 3)
3. You will now see the DNS cache contents.
4. Close the elevated command prompt when done.
That's it,
Shawn |  Published by | | Administrator Join Date: Apr 2007 Location: Texas, USA
Posts: 25,919
Rep Power: 150 | |
Tutorial Tools | | |
Applies to | | All Vista Versions | | 64 Bit & 32 Bit | |
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16MB Cache and 32MB Cache?? 
