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Internet Explorer slow performance! RRS feed

  • Question

  • Hi All,

    We had encountered some issue recently and it affected to multiple users.

    IE very slow connectivity when accessing to internet website except MSN, Microsoft sites.

    Troubleshooting steps:

    1. Reset IE same issue.

    2. Check proxy tested either with or without proxy same issue.

    3. Nslookup, ping command all reply and resolved, meant no issue with network connection.

    4. Delete all IE setting including Registry HKLU\Software\Microsoft\Internet Explorer and HKLU\Software\Microsoft\Windows\CurrentVersion\Internet Settings, 2 folder C:\Users\<userid>\appdata\local\microsoft\internet explorer and C:\Users\<userid>\appdata\roaming\microsoft\internet explorer.

    5. Some topics advised using Troubleshooting --> select view all and select Internet Explorer Performance but this option is not appear on the list.

    Due to restricted access and company's policies hence all troubleshooting steps had been performed under normal User rights (there is not Power Users or Administrators allow in this case)

    We had tried ipconfig /renew as well but result same. We had found out the problem but don't know how to fix. The problem is we are using auto proxy script "Use automatic configuration script" and some how only few systems detect and download the proxy file fcgi incorrect then those website slow performance return DIRECT instead of return proxy list.

    Do you have any ideas how to debug this and why this system using different proxy file compare with other system. Notes that hundreds of thousands system was using same proxy script URL link to auto detect and download proxy file, this system also using same URL link but it was download incorrect proxy file.



    Jimmy

    Wednesday, January 7, 2015 10:33 PM

Answers

  • Hello Jimmy,

    Please explain a bit about the following sentence ‘download the proxy file fcgi incorrect’. What is fcgi?
    As point of viewer, the proxy script file is .pac file.

    Do you mean that those computer download the proxy file incorrectly visit the website slowly?

    Please take the following steps for troubleshooting:
    1. Try to download the proxy file and load it locally in the Address of Local Area Network Settings like  file://c:/proxy.pac , and then check if we can visit the website normally.
    2. Check if the normal and abnormal computers are in the same group, and if there are policies to redirect they to download the wrong proxy file.

    Best regards,
    Fangzhou CHEN


    Fangzhou CHEN
    TechNet Community Support

    • Proposed as answer by FangZhou Chen Thursday, February 5, 2015 4:09 PM
    • Marked as answer by Karen Hu Monday, February 9, 2015 2:18 AM
    Monday, January 12, 2015 10:34 AM

All replies

  • Perhaps slow performance can cause computer problems. I have encountered a KMODE_EXCEPTION_NOT_HANDLED a few months ago. Restarting your computer can help.
    Thursday, January 8, 2015 1:52 AM
  • Hello Jimmy,

    Please explain a bit about the following sentence ‘download the proxy file fcgi incorrect’. What is fcgi?
    As point of viewer, the proxy script file is .pac file.

    Do you mean that those computer download the proxy file incorrectly visit the website slowly?

    Please take the following steps for troubleshooting:
    1. Try to download the proxy file and load it locally in the Address of Local Area Network Settings like  file://c:/proxy.pac , and then check if we can visit the website normally.
    2. Check if the normal and abnormal computers are in the same group, and if there are policies to redirect they to download the wrong proxy file.

    Best regards,
    Fangzhou CHEN


    Fangzhou CHEN
    TechNet Community Support

    • Proposed as answer by FangZhou Chen Thursday, February 5, 2015 4:09 PM
    • Marked as answer by Karen Hu Monday, February 9, 2015 2:18 AM
    Monday, January 12, 2015 10:34 AM