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netvmini.sys still not working on Windows 7 even after dri..

 
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Skybuck Flying

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Since: Dec 16, 2008
Posts: 26



(Msg. 1) Posted: Sat Aug 08, 2009 9:20 pm
Post subject: netvmini.sys still not working on Windows 7 even after driver signing disabled ?! (Windows debug mode necessary for debug drivers ???)
Archived from groups: microsoft>public>development>device>drivers, others (more info?)

Hello,

I installed the netvmini.sys "debug/checked" driver on Windows 7 x64.

I learned how to deactive "driver signing enforcement" during boot of
Windows 7 x64.

Now I boot into Windows 7 and the virtual network adapters are present in
connection settings and such.

They have IPv4 and IPv6 bindings and such and local area network addresses.

I open the "test program". They ("Microsoft Virtual Ethernet Adapter") show
up in the list.

I try to sent "IOCTL"'s to them but it says:

"Failed read".
"Failed write".

I suspect this might be because I booted into "normal mode".

Maybe checked/debug drivers only work in "windows debug mode" ???

I shall now attempt to:

1. Boot Windows 7 x64 RTM in debug mode.

and

2. Disable driver signing.

and

3. Test again to see if this helped ?!

Bye,
Skybuck.
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Skybuck Flying

External


Since: Dec 16, 2008
Posts: 26



(Msg. 2) Posted: Sat Aug 08, 2009 9:20 pm
Post subject: Re: netvmini.sys still not working on Windows 7 even after driver signing disabled ?! (Windows debug mode necessary for debug drivers ???) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Ok,

This time I booted into "windows debug mode" with "driver signing disabled".

I used WinDbg to make sure that it was in windows debug mode.

I open the "netvmini" test program.

It lists a couple of network adapters and such...

And then I click Action->"ioctl to control device".

It says:

"Failed to open the control device: Microsoft Virtual Ethernet Adapter".

I wonder if this is maybe a problem with "dos symbolic links" ?

Maybe it can't find it ?

Bye,
Skybuck.
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Skybuck Flying

External


Since: Dec 16, 2008
Posts: 26



(Msg. 3) Posted: Sun Aug 09, 2009 3:20 am
Post subject: Re: netvmini.sys still not working on Windows 7 even after driver signing disabled ?! (Windows debug mode necessary for debug drivers ???) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Second part of solution:

Test program must be "run as administrator".

Bye,
Skybuck.

"Skybuck Flying" <BloodyShame.RemoveThis@hotmail.com> wrote in message
news:29b41$4a7e2364$d53372a9$29839@cache2.tilbu1.nb.home.nl...
> Ok,
>
> This time I booted into "windows debug mode" with "driver signing
> disabled".
>
> I used WinDbg to make sure that it was in windows debug mode.
>
> I open the "netvmini" test program.
>
> It lists a couple of network adapters and such...
>
> And then I click Action->"ioctl to control device".
>
> It says:
>
> "Failed to open the control device: Microsoft Virtual Ethernet Adapter".
>
> I wonder if this is maybe a problem with "dos symbolic links" ?
>
> Maybe it can't find it ?
>
> Bye,
> Skybuck.
>
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Skybuck Flying

External


Since: Dec 16, 2008
Posts: 26



(Msg. 4) Posted: Sun Aug 09, 2009 3:20 am
Post subject: Re: netvmini.sys still not working on Windows 7 even after driver signing disabled ?! (Windows debug mode necessary for debug drivers ???) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Mystery solved see other post for more details.

Apperently the example contains no code for the ioctl...

It just does a "trace message"/dbgprint and a break.

Bye,
Skybuck.

"Skybuck Flying" <BloodyShame.TakeThisOut@hotmail.com> wrote in message
news:1efa7$4a7e5f4b$d53372a9$11309@cache6.tilbu1.nb.home.nl...
> Second part of solution:
>
> Test program must be "run as administrator".
>
> Bye,
> Skybuck.
>
> "Skybuck Flying" <BloodyShame.TakeThisOut@hotmail.com> wrote in message
> news:29b41$4a7e2364$d53372a9$29839@cache2.tilbu1.nb.home.nl...
>> Ok,
>>
>> This time I booted into "windows debug mode" with "driver signing
>> disabled".
>>
>> I used WinDbg to make sure that it was in windows debug mode.
>>
>> I open the "netvmini" test program.
>>
>> It lists a couple of network adapters and such...
>>
>> And then I click Action->"ioctl to control device".
>>
>> It says:
>>
>> "Failed to open the control device: Microsoft Virtual Ethernet Adapter".
>>
>> I wonder if this is maybe a problem with "dos symbolic links" ?
>>
>> Maybe it can't find it ?
>>
>> Bye,
>> Skybuck.
>>
>
>
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