Automatically detect settings - Changing DHCP-252-wpad-Option

G

Guest

I have a ISA-Proxy and the client get the proxy from the DHCP-252-wpad-Option.
Under Tools, Internet Options..., Connections, LAN Settings... is
"Automatically detect settings" is the only settings in the
Internet-Explorer-LAN-Settings.
When i move my Laptop from one DHCP-Location the a other is works fine.
But, when i change only the DHCP-252-wpad-Option on the same DHCP-Location
(i want redirect the Proxy-Server) it doesnt work! I must manually change the
"Automatically detect settings" off an on - for get the new 252-Option. Also
DHCP works fine, then after manually settings Off/On it get the changed
252-Option.
The question is, when goes the Internet-Explorer read the 252-Option on the
same DHCP-Server? Or how works die Internet-Explorer to discover the new
Settings (wininet.dll?)
Thanks for Help
Regards,
Alex
 
V

Vincent Xu [MSFT]

Hi,

I think you can check following article:

307502 "Automatically Detect Settings" Does Not Work if You Configure DHCP
Option 252
http://support.microsoft.com/default.aspx?scid=kb;EN-US;307502

Hope it helps.


Best regards,

Vincent Xu
Microsoft Online Partner Support

======================================================

Get Secure! - www.microsoft.com/security
======================================================
When responding to posts, please "Reply to Group" via your newsreader so
that others
may learn and benefit from this issue.
======================================================
This posting is provided "AS IS" with no warranties,and confers no rights.
======================================================



--------------------
 
G

Guest

Hallo

Thank you for the answer, but our detecting of settings work fine.
Only, when the Option-252 change, the dhcp-client becomes the new option,
but the Internet-Explorer doesn't search for the neu 252-Option.

Regards,
Alex
 
V

Vincent Xu [MSFT]

Hi

It is possible that Internet Explorer has cached the original Proxy Server
setting.

To narrow down the issue, I recommend that we temporarily disable Automatic
Proxy Caching. You can disable the Automatic Proxy Result Cache by using
the following registry key:
HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Interne
t Settings

Value: EnableAutoproxyResultCache
Type: REG_DWORD
Data value: 0 = disable caching; 1 (or key not present) = enable automatic
proxy caching (this is the default behavior)

If the registry key is not present, you can create the registry key by
using the following registry file:
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Intern
et Settings]"EnableAutoProxyResultCache"=dword:00000000"

For more information, please see:
271361 How to Disable Internet Explorer Automatic Proxy Caching
http://support.microsoft.com/?id=271361



Best regards,

Vincent Xu
Microsoft Online Partner Support

======================================================
Get Secure! - www.microsoft.com/security
======================================================
When responding to posts, please "Reply to Group" via your newsreader so
that others
may learn and benefit from this issue.
======================================================
This posting is provided "AS IS" with no warranties,and confers no rights.
======================================================



--------------------
 

Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.

Ask a Question

Top