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I want to use VAMT 2.0 to install product keys and active software in remote machines. Everything works fine as long as the ASync-In, DCOM-In, and WMI-In Windows Firewall rules are enabled and the action is set to Allow the connection. However, when I try using Allow the connection if it is secure (regardless of the connection security option chosen) VAMT won't connect to the remote machine. I tried using wbemtest and the error always is “The RPC server is unavailable”, error code 0x800706ba.

How do I setup at least some level of connection security for remote WMI access for VAMT to work? I googled for correct VAMT setup, read the Volume Activation 2.0 Step-by-Step guide, but no luck finding anything about connection security.

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Instead of messing with the IPSEC rules on the firewalls, why don't you just alter the scope of the rules so that DCOM-in, ASYNC-in, and WMI-in are only allowed from your workstation's IP address. That should considerably cut down the risk.

  • That's what I considered as an alternative. I don't have a clue how connection security settings work in Windows Firewall so that's why I'm asking how to secure the connection at the first place :-) – Ondrej Tucny Nov 24 '11 at 13:02

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