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  1. #1
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    DNS and resolving host issues

    I have an HP computer with Windows 7 64 bit running Avast A/V and Windows Firewall with Ethernet connection. I use Time Warner for an ISP and have 20 mbit service that usually is verified with speedtests. I can watch Netflix or Hulu uninterupted. Much of my other browsing is fine. I do frequently get a pop-up in the lower left about "Resolving Host" and a very delayed loading of a website. My biggest issue is loss of internet connection with various messages about server not found or unavailable. I have talked to TW and their troubleshooting shows no problems and encourages me to seek a repair service. When I loose internet access, unpluging the router does restore it. I have run Avast, Malwarebytes and Microsoft Malicious Software Tool with no problems found. I also tried changing the Internet Protocol Version 4 to the free Google DNS Server and unchecked the IPPV 6 but no change in the undependable connection so I reset to the automatic setting. Since Chrome is my default browser, I have uninstalled it and reinstalled it - no improvement. Any suggestions are appreciated. Thanks!

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  3. #2
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    Does Windows Event Viewer show any error messages related to DNS?
    Rui
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  4. #3
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    from Windows Event Log

    Log Name: Microsoft-Windows-Dhcp-Client/Admin
    Source: Microsoft-Windows-Dhcp-Client
    Date: 7/17/2014 2:02:32 PM
    Event ID: 1002
    Task Category: Address Configuration State Event
    Level: Error
    Keywords:
    User: LOCAL SERVICE
    Computer: PaulDH
    Description:
    The IP address lease 192.168.0.2 for the Network Card with network address 0x1CC1DE5BD7E3 has been denied by the DHCP server 192.168.0.1 (The DHCP Server sent a DHCPNACK message).
    Event Xml:
    <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
    <System>
    <Provider Name="Microsoft-Windows-Dhcp-Client" Guid="{15A7A4F8-0072-4EAB-ABAD-F98A4D666AED}" />
    <EventID>1002</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>3</Task>
    <Opcode>76</Opcode>
    <Keywords>0x4000000000000000</Keywords>
    <TimeCreated SystemTime="2014-07-17T18:02:32.020605400Z" />
    <EventRecordID>2511</EventRecordID>
    <Correlation />
    <Execution ProcessID="1244" ThreadID="3056" />
    <Channel>Microsoft-Windows-Dhcp-Client/Admin</Channel>
    <Computer>PaulDHillebrand</Computer>
    <Security UserID="S-1-5-19" />
    </System>
    <EventData>
    <Data Name="Address1">33597632</Data>
    <Data Name="HWLength">6</Data>
    <Data Name="HWAddress">1CC1DE5BD7E3</Data>
    <Data Name="Address2">16820416</Data>
    </EventData>
    </Event>

  5. #4
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    Does your computer lose its IP address when you lose internet access?
    Rui
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  6. #5
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    Quote Originally Posted by paulh7436 View Post
    When I loose internet access, unpluging the router does restore it.
    It might be something 'simple' like a poor router setup but an overheating router would be more likely, esp. as it's the hot season for many of us.

    Also interference locally (faulty 'phone extensions/connections or a bad switch/appliance) could be causing electrical interference that's hitting the router out.

  7. #6
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    It's to do with renewing the Lease so you could try extending that in the router from the default 24 hrs (in minutes) to something like a week like some do.

    These commands as an administrator from the command prompt may also help -

    netsh int ip reset resetlog.txt
    ipconfig /release
    ipconfig /renew
    exit (to close command window)

    Then reboot.
    Last edited by Sudo15; 2014-07-17 at 18:14.

  8. #7
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    Thank you all, I will try these and let you know.

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