• Another Cause of the “No Usable Certificate(s) 0x103 Error

    One of the most mysterious errors you’ll see when working with DirectAccess are related to failures in IP-HTTPS connectivity. I did a blog post on this problem last year and you can find it at http://blogs.technet.com/b/tomshinder/archive/2010/03/30/troubleshooting...
  • Clearing the Air on ISATAP

    For companies thinking about deploying DirectAccess, the question of whether or not you need to deploy ISATAP will invariably come up. The answer to this question is “no” and the reasons for why you don’t need ISATAP in a DirectAccess deployment are covered...
  • Use a HOSTS File Entry to Control ISATAP Host Configuration

    ISATAP is an optional configuration option you can take advantage of when working with UAG DirectAccess. What ISATAP allows you to do is automatically assign IPv6 addresses to computers on the network that already have IPv4 addresses (which is going to...
  • The Edge Man Hits 50,000 Posts on ISAserver.org

    Most of you probably know this, but before I joined Microsoft I spent most of my time with ISA Server and Threat Management Gateway (TMG). A big part of my life was ISAserver.org ( www.isaserver.org ). My affiliation with ISAserver.org started in mid...
  • How to Disable IP-HTTPS for Testing and Troubleshooting

    A few people have mentioned on the web forums and in email discussions that they’d like an easy way to disable the IP-HTTPS interface on the DirectAccess client for testing purposes. They don’t want to disable it completely for all clients (which you...