How to enable connection security for WMI firewall rules when using VAMT 2.0?

Posted by Ondrej Tucny on Server Fault See other posts from Server Fault or by Ondrej Tucny
Published on 2011-11-24T12:35:31Z Indexed on 2013/06/27 4:24 UTC
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security

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wmi

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windows-firewall

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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