Deployment: Windows Firewall and Group Policy

General Deployment information Because I support the Windows Firewall I often get asked for guidance on deploying it. David Bishop wrote a nice white paper on deploying the Windows Firewall so I won’t repeat it all here but this is my go to link when I am asked about group policy or how to deploy… Read more

Understanding IPv6, 3rd Edition has been published!

I recently heard from Joe Davies that the 3rd edition of his Understanding IPv6 book is available!     This edition builds on the treasure trove of information found in Understanding IPv6, 2nd Edition, which included updates for Windows Vista and Windows Server 2008. Understanding IPv6, 3rd Edition also adds details for Windows 8, Windows… Read more

A word on disabling a wireless connection when also connected to a physical network

We get questions from customers asking how they can disable a wireless connection when they are connected to a physical network. There can be various reasons for wanting to do this but they are often misguided. First let me say – Windows does not currently have the ability to disable a Wireless connection when connected… Read more

New Networking-related articles for the week of June 12 – June 18

Quite a variety of new articles were released this week, covering a number of networking technologies and operating system versions: 2523887 You may encounter file corruption issues when you use the Offline Files feature to synchronize data in Windows 7 2525835 MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011 2535094… Read more

The Windows Firewall Service Fails to start – Dependencies

As discussed in the previous posts in this series, there can be several causes that will prevent the Windows Firewall from starting. In this installment I will cover specifics of checking dependencies. Checking Dependencies When checking dependencies you will want to check to ensure that the default dependencies are in place, that there are not… Read more

The Windows Firewall Service Fails to start – Checking Privilege Access

The Windows Firewall Service Fails to start – Checking Privilege Access As discussed in the previous posts in this series, there can be several causes that will prevent Windows Firewall from starting. In this installment, part 4 of 5 in the series, I will cover specifics of checking access privileges for both Windows Vista and… Read more

The Windows Firewall Service Fails to start – Registry Permissions

As discussed in my previous posts in this series, there can be several causes that will prevent the Windows Firewall from starting. In this installment, part 3 of 5, I will cover specifics of checking registry permissions. Checking Registry Permissions You can verify the permissions in Registry Editor by right-clicking each of the following registry… Read more

The Windows Firewall Service Fails to start – Logon Permissions

This is part two in my series on Windows Firewall failing to start. In part one, I covered Windows XP and gave an overview of the issues seen in Windows Vista and Windows 7. As discussed, there can be several causes that will prevent the firewall from starting. In this post, I will cover specifics… Read more

The Windows Firewall Service Fails to start – Introduction

There can be several causes that will prevent the Windows Firewall from starting and I will attempt to cover them in this series of five blog posts. In this first post, I will cover Windows XP and Windows Vista / Windows 7 separately as they are two different services. Last I will cover one issue… Read more