Most people don’t know that the DirectAccess servers are tied together with a specific domain controller. In case you decommission the specific domain controller due to upgrade or other reasons the Direct Access console will become inaccessiable. Symptom: Unable to open the DirectAccess configuration in the “Remote Access Management Console”
Microsoft have just released an awesome troubleshooting tool for DirectAccess clients called “Microsoft Windows DirectAccess Client Troubleshooting Tool“. Get the tool here: http://www.microsoft.com/en-us/download/details.aspx?id=41938
Some weeks ago, I visted a new customer to perform a deployment of a very simple Microsoft DirectAccess deployment. Everything seemed fine before I started the deployment. The PKI was in place and I though that it would only take a couple of hours to perform the deploy and do some testing.