I installed OpenVPN on windows 2k sp4. During the installation
tapinstall.exe failed with status 2 like this:
tapinstall install returned: 2
tapinstall cumulative status: 2
The archives of this mail list suggest to check if the RunOnce key is in
my registry. I checked and the key was there as expected. When I checked
the hardware manager I found a "TAP-Win32 Adapter V8" device under the
network adapters node. It had an exclamation mark on it noting there's a
problem with this device. I ran the Add/Remove Hardware troubleshooting
wizard for that device and it reported the problem to be:
This device is not working properly because Windows cannot load the
drivers required for this device. (Code 31)
Which than the wizard says means:
This device depends on another device that is not functioning correctly.
However the hardware manager does not indicate any problems with none of
my other devices. Nor could I find out what that other mystery device
is. I rebooted to make sure the device setup is completed (this is
windows after all) but the problem remains exactly the same.
Next I tried to remove and add the device multiple times with the
provided scripts. Both scripts reported failures although the TAP device
did appear and disappear from the device manager tree. Next I tried
installing manually from the command prompt using "tapinstall
OemWin2k.inf tap0801" and it failed as well although the TAP device
appeared in under network adapters.
Finally I tried simply to ignore the error and tried to establish a TUN
connection to my linux machine, which acts as the vpn server. The
connection passed the authentication and routing stages and than windows
fell on its face with a message that it could not find any TAP devices
on this machine. Indeed there were no vpn connections listed under the
Network Connections list.
Finally I tried to establish the connection while the OpenVPN service is
running - made no difference.
Please help - I completely ran out of ideas and have tried everything I
could find on the net.
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