Book Image

Microsoft DirectAccess Best Practices and Troubleshooting

By : Jordan Krause
Book Image

Microsoft DirectAccess Best Practices and Troubleshooting

By: Jordan Krause

Overview of this book

DirectAccess is an amazing Microsoft technology that is truly the evolution of VPN; any Microsoft-centric shop needs this technology. DirectAccess is an automatic remote access solution that takes care of everything from planning to deployment. Microsoft DirectAccess Best Practices and Troubleshooting will provide you with the precise steps you need to take for the very best possible implementation of DirectAccess in your network. You will find answers to some of the most frequently asked questions from administrators and explore unique troubleshooting scenarios that you will want to understand in case they happen to you. Microsoft DirectAccess Best Practices and Troubleshooting outlines best practices for configuring DirectAccess in any network. You will learn how to configure Manage Out capabilities to plan, administer, and deploy DirectAccess client computers from inside the corporate network. You will also learn about a couple of the lesser-known capabilities within a DirectAccess environment and the log information that is available on the client machines. This book also focuses on some specific cases that portray unique or interesting troubleshooting scenarios that DirectAccess administrators may encounter. By describing the problem, the symptoms, and the fixes to these problems, the reader will be able to gain a deeper understanding of the way DirectAccess works and why these external influences are important to the overall solution.
Table of Contents (13 chapters)
Microsoft DirectAccess Best Practices and Troubleshooting
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

IPv4 applications don't connect over DA


This one is near and dear to my heart, and I'll tell you the reason why in a minute. DirectAccess is based on IPv6. While you really don't have to know anything about IPv6 to run DirectAccess in your company, you do need to realize that all packets that move over the internet side of the connection, between the DA client and the DA server, are always IPv6 packets. They get wrapped up inside IPv4 so that they can make their way across the Internet, but at the core the packets themselves being generated by the laptops are IPv6 packets. Now, because the DirectAccess server contains the NAT64 and DNS64 technologies, your whole internal network can be IPv4, and that translation works all day every day, right out of the box. So none of your application servers need know anything at all about IPv6, and they are fully contactable. However, if your client-side applications, the app itself, is unable to generate IPv6 packets in the first place, that application...