[VISTA] KB: 929451 A client computer that is running Windows Vista registers an old IP address when the GUID of a network adapter changes

This one might come up for those of you who image systems...
JK
http://support.microsoft.com/?kbid=929451&SD=tech
A client computer that is running Windows Vista registers an old IP address
when the GUID of a network adapter changes View products that this article
applies to. <http://support.microsoft.com/?kbid=929451&SD=tech#appliesto>
  Article ID : 929451 Last Review : May 3, 2007 Revision : 2.2
 On This Page SYMPTOMS <http://support.microsoft.com/?kbid=929451&SD=tech#>
RESOLUTION <http://support.microsoft.com/?kbid=929451&SD=tech#> Hotfix
information <http://support.microsoft.com/?kbid=929451&SD=tech#> File
information <http://support.microsoft.com/?kbid=929451&SD=tech#> Windows
Vista, 32-bit versions <http://support.microsoft.com/?kbid=929451&SD=tech#>
Windows Vista, 64-bit
versions<http://support.microsoft.com/?kbid=929451&SD=tech#>
STATUS <http://support.microsoft.com/?kbid=929451&SD=tech#>
MORE INFORMATION <http://support.microsoft.com/?kbid=929451&SD=tech#>
 SYMPTOMS When the GUID of a network adapter changes on a client computer
that is running Windows Vista, the computer registers an old IP address that
was associated with the old GUID.
The client computer also registers new IP addresses that are associated with
the new GUID. However, because the client computer registers old IP
addresses, another client computer may try to use the old IP address. If the
old address is not valid, a connection failure may occur.

Back to the top <http://support.microsoft.com/?kbid=929451&SD=tech#top>
RESOLUTION The following files are available for download from the Microsoft
Download Center:

*Windows Vista* [image: Download]Download the 929451 package
now.<http://www.microsoft.com/downloads/details.aspx?FamilyID=c585e831-41fd-40bd-8923-e542eb7a1b8a&amp;DisplayLang=en>(
http://www.microsoft.com/downloads/details.aspx?FamilyID=c585e831-41fd-40bd-8923-e542eb7a1b8a&amp;DisplayLang=en
)
*Windows Vista for 64-bit systems* [image: Download]Download the 929451
package 
now.<http://www.microsoft.com/downloads/details.aspx?FamilyID=8c328a96-f715-48a5-9d92-974e97c74165&DisplayLang=en>(
http://www.microsoft.com/downloads/details.aspx?FamilyID=8c328a96-f715-48a5-9d92-974e97c74165&DisplayLang=en
)
For more information about how to download Microsoft support files, click
the following article number to view the article in the Microsoft Knowledge
Base: 119591 <http://support.microsoft.com/kb/119591/> (
http://support.microsoft.com/kb/119591/) How to obtain Microsoft support
files from online services
Microsoft scanned this file for viruses. Microsoft used the most current
virus-detection software that was available on the date that the file was
posted. The file is stored on security-enhanced servers that help prevent
any unauthorized changes to the file.

Back to the top <http://support.microsoft.com/?kbid=929451&SD=tech#top>
Hotfix information A supported hotfix is now available from Microsoft.
However, it is intended to correct only the problem that is described in
this article. Apply it only to systems that are experiencing this specific
problem. This hotfix may receive additional testing. Therefore, if you are
not severely affected by this problem, we recommend that you wait for the
next service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Customer Support
Services to obtain the hotfix. For a complete list of Microsoft Customer
Support Services telephone numbers and information about support costs,
visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (
http://support.microsoft.com/contactus/?ws=support)
*Note* In special cases, charges that are ordinarily incurred for support
calls may be canceled if a Microsoft Support Professional determines that a
specific update will resolve your problem. The usual support costs will
apply to additional support questions and issues that do not qualify for the
specific update in question. File informationThe English version of this
hotfix has the file attributes (or later file attributes) that are listed in
the following table. The dates and times for these files are listed in
Coordinated Universal Time (UTC). When you view the file information, it is
converted to local time. To find the difference between UTC and local time,
use the *Time Zone* tab in the Date and Time item in Control Panel. Windows
Vista, 32-bit versions  File name File version File size Date Time Platform
Dnsapi.dll 6.0.6000.20492 162,816 06-Dec-2006 06:30 x86 Dnscacheugc.exe
6.0.6000.20492 24,576 06-Dec-2006 04:06 x86 Dnsrslvr.dll 6.0.6000.20492
84,480 06-Dec-2006 06:30 x86 Update.mum Not Applicable 1,995 06-Dec-2006
21:09 Not Applicable X86_microsoft-
windows-dns-client.d_31bf3856ad364e35_6.0.6000.20492_none_a26aac3bc621f520.manifest
Not
Applicable 697 06-Dec-2006 21:09 Not Applicable
X86_microsoft-windows-dns-client_31bf3856ad364e35_6.0.6000.20492_none_e02686989e97a8f6.manifest
Not
Applicable 29,455 06-Dec-2006 21:10 Not Applicable Windows Vista, 64-bit
versions  File name File version File size Date Time Platform
Amd64_microsoft-
windows-dns-client.d_31bf3856ad364e35_6.0.6000.20492_none_fe8947bf7e7f6656.manifest
Not
Applicable 701 06-Dec-2006 21:09 Not Applicable
Amd64_microsoft-windows-dns-client_31bf3856ad364e35_6.0.6000.20492_none_3c45221c56f51a2c.manifest
Not
Applicable 29,483 06-Dec-2006 21:14 Not Applicable Dnsapi.dll 6.0.6000.20492
217,600 06-Dec-2006 06:17 x64 Dnscacheugc.exe 6.0.6000.20492 27,648
06-Dec-2006 03:48 x64 Dnsrslvr.dll 6.0.6000.20492 114,688 06-Dec-2006 06:17
x64 Update.mum Not Applicable 1,995 06-Dec-2006 21:09 Not Applicable

Back to the top <http://support.microsoft.com/?kbid=929451&SD=tech#top>
STATUS Microsoft has confirmed that this is a problem in the Microsoft
products that are listed in the "Applies to" section.

Back to the top <http://support.microsoft.com/?kbid=929451&SD=tech#top>
MORE INFORMATION The GUID of a network adapter may change when you upgrade a
computer to Windows Vista. The GUID may also change if the network adapter's
configuration changes from Dynamic Host Configuration Protocol (DHCP) to
static IP and then from static IP to DHCP. The old GUID and its associated
IP addresses are not cleared from the DNS client configuration. Therefore,
the old IP addresses remain registered for the computer. In this situation,
the authoritative zone on a DNS server is populated with both IP addresses
that are not valid and IP addresses that are valid. A DNS server cannot
distinguish between IP addresses that are valid and IP addresses that are
not valid. Therefore, when a DNS server responds to queries from client
computers, the server may distribute an IP address that is not valid. If
another client computer tries to use this IP address, the computer
experiences a connection failure.

For more information about how hotfix packages are named, click the
following article number to view the article in the Microsoft Knowledge
Base: 816915 <http://support.microsoft.com/kb/816915/> (
http://support.microsoft.com/kb/816915/) New file naming schema for
Microsoft Windows software update packages
For more information about the terms that are used to describe software
updates, click the following article number to view the article in the
Microsoft Knowledge Base: 824684 <http://support.microsoft.com/kb/824684/> (
http://support.microsoft.com/kb/824684/) Description of the standard
terminology that is used to describe Microsoft software updates

Back to the top <http://support.microsoft.com/?kbid=929451&SD=tech#top>
 ------------------------------
 APPLIES TO  ? Windows Vista Ultimate ? Windows Vista Enterprise ? Windows
Vista Business ? Windows Vista Home Premium ? Windows Vista Home Basic
? Windows
Vista Ultimate 64-bit Edition ? Windows Vista Enterprise 64-bit
Edition ? Windows
Vista Business 64-bit Edition ? Windows Vista Home Premium 64-bit
Edition ? Windows
Vista Home Basic 64-bit Edition

-- 
Jim Kenzig
Microsoft MVP - Terminal Services
http://www.thinhelp.com
Citrix Technology Professional
Provision Networks VIP
CEO The Kenzig Group
http://www.kenzig.com
Blog: http://www.techblink.com

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