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New Networking-related KB articles for the week of October 25 – October 31

Here are the most recently published networking-related Knowledge Base articles: 975830 The memory usage of the Dns.exe process keeps increasing after you install hotfix 941672 on a computer that is running Windows Server 2003 SP2 and that has the DNS Read More...

Posted: Thursday, November 05, 2009 9:37 PM by MichaelPlatts | 0 Comments

Filed under: DNS, Windows Vista, Windows Server 2008, Windows Server 2003, Windows 7, IPv4

New Networking-related KB articles for the week of October 11 – October 17

Here are the latest networking-related Knowledge Base articles: 973509 The advanced security settings for Windows Firewall that you deploy by using a Group Policy object (GPO) are not displayed in Windows Vista or in Windows 2008 975212 When you use a Read More...

Posted: Wednesday, October 21, 2009 9:13 PM by MichaelPlatts | 0 Comments

Filed under: DNS, Windows Vista, Windows Server 2008, KB Articles, Windows Firewall, VPN

New Networking-related KB articles for the week of August 2 – August 8

We have 4 new KB articles that may be of interest this week: 971295 Error message when an application tries to write data to a shared file if another application has read-only access to the same file on a computer that is running Windows Server 2003: Read More...

Posted: Thursday, August 13, 2009 5:03 PM by MichaelPlatts | 0 Comments

Filed under: DNS, Windows Vista, Windows Server 2008, Windows Server 2003, KB Articles, SMB, FTP

New Networking-related KB articles for the week of July 26 – August 1

This week, I have 4 new KB articles to share: 974080 DirectAccess Workaround for reaching IPv4 address checking sites 971383 Data loss occurs when the Winsock "recv" function returns 0 bytes if both the client-side and the server-side applications Read More...

Posted: Thursday, August 06, 2009 6:40 PM by MichaelPlatts | 0 Comments

Filed under: DNS, Windows Server 2003, KB Articles, Windows XP, RRAS, Windows 7, DirectAccess, Winsock, Windows Server 2008 R2

DNS Client Resolver Behavior

The following question comes up from time to time and for various reasons. What is the expected name resolution behavior of the DNS client resolver on Windows XP or Windows Vista? This may be for a single or for multiple network interfaces. So I thought Read More...

Posted: Friday, June 26, 2009 4:29 PM by MichaelPlatts | 5 Comments

Filed under: DNS, Windows Vista, Windows Server 2008, Windows Server 2003, Windows XP

DNS Round Robin and Destination IP address selection

This post is meant to discuss the issues that can occur with Destination IP address selection and its affect on the DNS Round Robin process. What is Round Robin and Netmask Ordering DNS Round Robin is a mechanism for choosing an IP address from the list Read More...

Posted: Friday, April 17, 2009 5:18 PM by MichaelPlatts | 2 Comments

Filed under: DNS, Windows Vista, Windows Server 2008, Windows Server 2003, Windows XP, IPv6, IPv4

DNS Client Name Resolution behavior in Windows Vista vs. Windows XP

In Windows, the DNS Client service is the client component that resolves and caches Domain Name System (DNS) domain names. When the DNS Client service receives a request to resolve a DNS name that it does not contain in its cache, it queries an assigned Read More...

Posted: Thursday, April 16, 2009 7:08 PM by MichaelPlatts | 7 Comments

Filed under: DNS, Windows Vista, Windows XP

Using Secondary DNS zones on Windows Server 2008? Apply hotfix discussed in KB 953317

Our friends that support Active Directory over at the AskDS Blog have a new post that deserves your attention. A problem in Windows Server 2008 DNS Server can result in Secondary zones that lose records. As you might imagine, this can wreak Read More...

Posted: Friday, February 13, 2009 3:44 PM by MichaelPlatts | 1 Comments

Filed under: DNS, Windows Server 2008

Optimizing your network to keep your DNS squeaky clean

I have run into this issue several times: My customer has a fairly large network, with several subnets. They have wireless clients unplugging from Ethernet and dashing to conference rooms, then closing their laptop and heading home. The client starts Read More...

Posted: Monday, February 09, 2009 8:55 PM by MichaelPlatts | 4 Comments

Filed under: DNS, DHCP

Don't be THAT guy... Assault by Security Template

Introduction to the “Don’t be THAT guy” blog: I come in to work every day and get calls with these exact scenarios. Of course, the names have been changed to protect the innocent and to keep the guilty from having to find new jobs. The Read More...

Posted: Thursday, September 11, 2008 5:35 PM by MichaelPlatts | 1 Comments

Filed under: DNS, Windows Server 2003

New Networking-related KB articles for the week of May 17 - May 23

949821 Two options in the “Customize Advanced Key Exchange Settings” dialog box are truncated on a computer that is running the Russian version of Windows Vista Service Pack 1 (SP1) or the Russian version of Windows Server 2008 949825 Read More...

Posted: Monday, June 02, 2008 9:49 PM by MichaelPlatts | 0 Comments

Filed under: DNS, Windows Vista, Windows Server 2008, Windows Server 2003, KB Articles, TS Gateway

Export DNS records to Excel to read time stamps and static records

Ask a DNS administrator and he’ll tell you there is no such thing as being “too careful” with DNS data! One of the dreaded things is to check the box for Auto Scavenging. A slight mis-configuration can lead to useful DNS entries getting Read More...

Posted: Wednesday, May 21, 2008 8:07 PM by MichaelPlatts | 6 Comments

Filed under: DNS, Windows Server 2008, Windows Server 2003

Windows Server 2008 Technical Library

The Windows Server 2008 Technical Library is a great resource for finding information about performing common tasks and operations for Windows technologies. The content in the networking section of this library offers some great information on many Read More...

Posted: Wednesday, April 23, 2008 5:22 PM by Michaelvargo | 0 Comments

Filed under: DNS, Windows Server 2008, DHCP Server, RRAS, NAP, Windows Firewall

How to benefit from Link-Local Multicast Name Resolution.

In a nutshell, Link-Local Multicast Name Resolution (LLMNR) resolves single label names (like: COMPUTER1 ), on the local subnet, when DNS devolution is unable to resolve the name. This is helpful if you are in an Ad-Hoc network scenario, or in a scenario Read More...

Posted: Tuesday, April 01, 2008 10:48 PM by Joel-E-O | 1 Comments

Filed under: DNS, Windows Vista, Windows Server 2008, IPv6, Network Discovery, LLMNR

Don't be afraid of DNS Scavenging. Just be patient.

DNS Scavenging is a great answer to a problem that has been nagging everyone since RFC 2136 came out way back in 1997. Despite many clever methods of ensuring that clients and DHCP servers that perform dynamic updates clean up after themselves sometimes DNS can get messy. Remember that old test server that you built two years ago that caught fire before it could be used? Probably not. DNS still remembers it though. There are two big issues with DNS scavenging that seem to come up a lot: Read More...

Posted: Wednesday, March 19, 2008 11:49 PM by JoshJones | 40 Comments

Filed under: DNS