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 Post subject: Resolution: Winpcap error installing Network Monitor Driver
PostPosted: Sun Nov 09, 2008 10:22 pm 
I posted this error and resolution on the Winpcap and Wireshark mailing lists. I couldn't find a listserv for GNS, so I'm posting the information here for posterity.

Error: "An error occurred while installing the Microsoft Network Monitor Driver (NetMon) (0x800F0203). You will be able to use WinPcap on standard network adapters, but not on Dialup connections and VPNs. Please contact the WinPcap team."

I've been struggling with this error for the past 2 hours and I finally found a solution. Now I'm finally able to run GNS (Cisco emulator). I believe the problem stems from using a heavily customized version (i.e. stripped) of Windows XP SP2. First I tried uninstall Winpcap and installing the latest beta release which didn't help. Then I tried installing Windows XP Support Tool and running "c:\Program Files\Support Tools\netcap.exe", which failed to work. So that led me down a different route which was to install Microsoft Network Monitor 3.2 from:

http://www.microsoft.com/downloads/deta ... n#filelist

After installing Netmon 3.2, I ran the program and everything launched without a problem. So I ran the Winpcap beta again. Note that I still got the error during installation, but I was able to run Dynamips. This finally allowed me to launch GNS and start using it. I know other people have run into this problem and I hope this information will help avoid reinstallations of Windows.

Thanks,
Matt




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 Post subject: Re: Resolution: Winpcap error installing Network Monitor Driver
PostPosted: Fri Dec 05, 2008 6:02 pm 
I think you can use gns3.X-win32-all-in-one.exe
cause I got trouble when I'm install manually Winpcap
in all-in-one you can took automatically winpcap's installations. so you can enjoy gns3




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