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Networking Blog

The Official Blog Site of the Windows Core Networking Team at Microsoft
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250

Three Reasons Why You Should Not Use iPerf3 on Windows

JamesKehr on Apr 18 2024 12:10 PM
This article will explain why you should not use iPerf3 on Windows for synthetic network benchmarking and testing. Follo...
8,073

Windows 11 Plans to Expand CLAT Support

tojens on Mar 07 2024 07:00 AM
Announcing what's next for Windows 11 + IPv6 transition tech
5,923

IPv6 Transition Technology Survey

tojens on Feb 06 2024 06:00 AM
Sharing a customer signal survey to gauge interest in various approaches to IPv6 transition technology
1,656

SDN: Migrating from Rest Name to Static IP | Remove worries of DNS!

Kyle Bisnett on Feb 02 2024 09:10 AM
As an SDN administrator for HCI and Windows Server, you may have experienced issues with Dynamic DNS registration of Net...
11.3K

Introducing DNR support for Windows Insiders

AditiPatange on Oct 25 2023 10:00 AM
Instructions for enabling DNR in Windows Insiders to seamlessly deploy encrypted DNS
10.8K

NCSI Change Notification

JamesKehr on Jul 05 2023 03:21 PM
A recent change may cause your Windows systems from detecting an Internet connection.
4,382

Network ATC management in Windows Admin Center

Dan Cuomo on Jul 05 2023 10:13 AM
Network ATC continues to be the preferred method to deploy host networking for our Azure Stack HCI customers. For most c...
5,724

Migrate an existing cluster to Network ATC

Dan Cuomo on Jun 09 2023 09:38 AM
Network ATC has led to HUGE reductions in customer support cases which means increased uptime for your business applicat...
5,199

SDN + AKS 3-15-23 Updates and Features

Kyle Bisnett on Mar 16 2023 09:28 AM
Support for leveraging existing SDN vNETs, multiple vNETs for your Target clusters to support isolation, and a new AKS H...
9,565

Physical switch requirement changes for Azure Stack HCI

Basel_Kablawi on Mar 15 2023 10:15 AM
Read on to see the latest updates to the Azure Stack HCI physical network switch requirements!
6,840

Azure Stack HCI: What's new for Software Defined Networking (SDN) with WAC v2211

Kyle Bisnett on Jan 17 2023 12:50 PM
Today is an exciting day as we share with each of you the extensive new features and improvements for SDN in Windows Adm...
5,696

Survey: Accelerated Networking

Basel_Kablawi on Jan 06 2023 03:10 PM
We want to hear from you regarding Accelerated Networking!
7,767

Network HUD: November 2022 content update has arrived!

Dan Cuomo on Nov 15 2022 06:01 AM
In our first article we introduced Network HUD as a new feature that proactively identifies and remediates operational n...
7,788

Introducing Network HUD for Azure Stack HCI

Dan Cuomo on Nov 15 2022 06:00 AM
We’re excited to announce the release of Network HUD - A new feature that proactively identifies and remediates operatio...
6,310

General Availability for SDN integration with AKS on Azure Stack HCI

Kyle Bisnett on Oct 12 2022 10:05 AM
Our SDN and AKS engineering teams are so excited to announce General Availability to fuel our customer’s desire to enabl...
14.9K

LEDBAT Background Data Transfer for Windows

Daniel Havey on Sep 30 2022 08:50 AM
LEDBAT is the background data transfer product built into the Windows networking stack and recommended by the Windows Da...
7,296

Balance Performance in MsQuic and XDP

huanyi on Sep 16 2022 03:36 PM
Improving performance has always been a major goal for MsQuic. Recently, we have put in a lot of effort into getting ult...
11.4K

NIC Certification updates in the Windows Server Catalog

Dan Cuomo on Aug 31 2022 08:38 AM
Read on to see how we’re simplifying the structure of Windows Server NIC certifications into a "role-based" structure!
7,267

Troubleshooting SDN Windows Admin Center Certificates

Kyle Bisnett on Aug 30 2022 02:58 PM
If you are receiving "The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secur...
6,824

Az Stack HCI: Software Defined Networking (SDN) extensions reach General Availability for WAC

Kyle Bisnett on Aug 25 2022 10:31 AM
SDN Extensions reach general availability for WAC: The rumors are true - SDN Infrastructure, Network Security Groups, Lo...
52.1K

DNS over TLS available to Windows Insiders

tojens on Jul 13 2022 10:00 AM
Instructions for enabling DNS over TLS support for Windows DNS client
13.9K

Open Source XDP for Windows

nibanks on May 24 2022 09:56 AM
We're bringing the latest in network acceleration technology to Windows, and it's open source!
26.5K

Aligning on mDNS: ramping down NetBIOS name resolution and LLMNR

tojens on Apr 22 2022 09:00 AM
Describing our first step toward turning NetBIOS name resolution and LLMNR off by default
71.7K

mDNS in the Enterprise

JamesKehr on Apr 04 2022 01:36 PM
mDNS is everywhere these days because it is simple, easy to build, and user friendly. Everyone in the tech industry love...
9,785

Troubleshooting HTTP/3 in http.sys

tojens on Apr 01 2022 09:00 AM
A review of some common HTTP/3 deployment challenges and how to address them
30.8K

Making DoH Discoverable: Introducing DDR

tojens on Oct 27 2021 06:00 AM
Discovery of Designated Resolvers (DDR) is available to Windows Insiders to dynamically discover DoH configurations
22.2K

Deploying HTTP/3 on Windows Server at Scale

nibanks on Oct 12 2021 12:40 PM
We've recently started deploying HTTP/3 to Exchange Online servers globally and have some pretty exciting data to share!
9,846

Network ATC: Common Preview Questions

Dan Cuomo on Sep 27 2021 09:07 AM
Network ATC has received some great feedback during its time in preview. We’ve heard that you love how it: Simplifies de...

Latest Comments

Kimboslice
in Troubleshooting HTTP/3 in http.sys on Apr 18 2024 12:10 PM
Have you tried load testing QUIC on IIS? I (and others) am seeing a lot of errors in the http.sys logSee the following links for detailsMy question.Another user over on stackoverflow who also has QUIC issues. This one seems related to POST, so perhaps not quite the same issue, though the same error ...
0 Likes
rganascim
in Windows 11 Plans to Expand CLAT Support on Mar 07 2024 01:18 PM
Waiting to test it 🤟🏻
0 Likes
jima_v6
in Windows 11 Plans to Expand CLAT Support on Mar 07 2024 10:03 AM
While I'll readily admit to being a critic of Microsoft's missteps (particularly regarding IPv6 support), that means I also have to acknowledge the wins, too. Thank you for listening to the community on this! This will make IPv6-only networks a lot more viable.
1 Likes
Ted_Mittelstaedt
in IPv6 Transition Technology Survey on Mar 02 2024 09:39 AM
Dual stack is going to be a requirement for the foreseeable future because a large number of people don't even have IPv6 connectivity. I use Comcast in the United States, and I'm a Comcast business customer. I have written plenty on the forums.businesshelp.comcast.com forums on how to get IPv6 worki...
0 Likes
Alaakalakech
in Network ATC management in Windows Admin Center on Feb 23 2024 06:50 AM
To help others in case of failure, Cause of the failure was a switch restart for maintenance, and even after 2-3 days, the intents retained their failure status. As per your suggestion,I deleted and recreated them with the same names and specifications, and now they are functioning perfectly. Thank ...
0 Likes