I'm using "Vboxmanage guestproperty get|set" as a heartbeat indicator in my VMs
(Windows 7-64 Prof host running VB 4.0.16 with extension pack, SBS2003 & 3 XP
guests with 4.0.16's guest additions). The host runs a ".cmd" batch file every
ten minutes that "guestproperty set"s a custom property to 0, then waits for
the guest (running its own batch file) to set the property back to 1. If the
guest does so within a certain time, the host assumes the guest is working
properly, since the guest has to be able to run a batch file successfully to
respond to the heartbeat request. Everything is working fine.
But...
I can't stand those flashing command windows every ten minutes. So I'm looking
into running the "guestproperty get|set" stuff in a Visual Basic Script (.vbs),
which will run invisibly. I found the SDK reference manual, and I'm hunting
through it. I've hit a jam, though. The manual offers this code as a test to
see the version of Virtualbox from a vbs file:
set vb = CreateObject("VirtualBox.VirtualBox")
Wscript.Echo "VirtualBox version " & vb.version
On the host, this popus up a little window with the version listed. On a guest,
I get an error: "ActiveX component can't create object: 'VirtualBox.VirtualBox'
"
I assume either there is no API to access on a guest, or it's called by
something else. Anyone know?
Scott Gustafson
[email protected]
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