lundi 6 août 2012

[DirectAccess] My transition technologies are gone

On a deployment the DirectAccess connection is not working on a laptop even with all prerequisites (certificate, GPO, Windows 7 Enterprise, ...)

While looking on the network settings none of the transition technologies were listed (ISATAP, 6to4, Teredo et IP-HTTPS).
And even on the Device Manager the associated peripheral were in warning state or not installed...

After some research even if the IPv6 option was enabled on the NIC, on the SCCM master  the IPv6 was disabled through the registry: indeed the DisabledComponents key was set on the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\TCPIP6\Parameters

In order to activate IPv6 again deleting the key from the registry is enough.

But if the NIC were missing on the Device Manager add the following peripherals:
  • Microsoft 6to4 Adapter
  • Microsoft IP-HTTPS Platform Adapter
  • Microsoft ISATAP Adapter
  • Microsoft Teredo Tunneling Adapter
The Microsoft KB929852 explains how to disable or enable each part of the IPv6 stack.

Thanks to Kevin DAOUZE who point the issue and help me to solve it.

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