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re: problems accessing microsoft.com, among other things
Thursday, January 10, 2008 at 1:47 pm
Windows Vista Annoyances Discussion Forum
Posted by Stephanie
(4 messages posted)
As my dad (Steve) mentioned, it turned out that once I changed the MTU settings on
my Vista machine, I was able to access all websites - yay!
These are the steps I followed (since DrTCP, which works with XP, doesn't work in
Vista):
To set the MTU settings on a Windows Vista Machine
1. Click on Vista icon (start), All programs, Accessories, then right click on Command
prompt and select "Run as administrator"
In the Command prompt window, type in the following.
1. netsh interface ipv4 show subinterfaces
(this will display a list of interfaces on the system and their current MTU settings)
2. netsh interface ipv4 set subinterface "Local Area Connection" mtu=XXXX store=persistent
(replace "Local Area Connection" with the interface name of the connection you
want to change the MTU to. This is normally "Local Area Connection," but double-check
that it's the same on your computer. Where the X's are, insert the desired MTU setting.
1500 is the default. Websites I read recommended trying the following values in decreasing
order, restarting the machine each time, until the problem goes away and you can
connect to all websites: 1500, 1492, 1472, 1468, 1460, 1435, 1430, 1400)
3. Restart the Vista machine.
Hopefully that works! (It worked for me when I set it to 1435) If it doesn't, and
you want to reset the default "autotuning" that Vista comes with, here is the syntax
to reset the changes you made:
netsh int tcp set global autotuninglevel=normal
Hope that helps :)
On Thursday, January 10, 2008 at 1:17 pm, Chris wrote:
>I read your post with interest as I am currently experiencing much the same problems
>you did. I have tried all recommended options and even resorted to re-installaing
>the operating system. This did not make any difference and I keep getting that annoying
>error report!!
>I would be very grateful if you could let me know by way of this forum how you resolved
>the issue with the MTU settings.
>
>Thank You
>
>
>
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 | | |  | re: problems accessing microsoft.com, among other things (Stephanie: Thu, Jan 10, 2008, 1:47 pm) |
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