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Microsoft Network Monitor cap file can be opened by Wireshark but save as function is disabled

asked 2018-05-30 08:01:11 +0000

ssss gravatar image

I need to capture wireless traffic in monitor mode, so use Microsoft Network Monitor 3.4. To me, it seems to be the only solution on Windows 10.

The cap file generated by Network Monitor can be opened by Wireshark and displayed correctly. However, I found that both the "save as" and "Export Specified Packets ..." functions (from the "File" menu) are disabled.

How can I make such functions work?

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it seems to be the only solution on Windows 10.

FYI: There are other solutions. See the Wireshark CaptureSetup/WLAN wiki page. In particular Npcap, a modern WinPcap replacement, provides a very good solution.

cmaynard gravatar imagecmaynard ( 2018-05-30 13:33:22 +0000 )edit

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answered 2018-10-06 18:53:36 +0000

Guy Harris gravatar image

There are two issues:

  1. Saving in the Wireshark "standard" formats of pcap and pcapng might not be possible, as not all record types and not all link-layer header types in NetMon files are supported by pcap and pcapng.
  2. We currently don't even support writing out all record types in NetMon format.
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answered 2018-10-05 01:01:13 +0000

markGE gravatar image

It is possible. The feature exists in version 2.2.6. It has been removed at some point in the development thread, but the Save As will work with CAP file in version 2.2.6. The latest versions of Wireshark will have the feature greyed out.

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answered 2018-05-30 08:13:32 +0000

Anders gravatar image

Theres a lenghtly explanation here and a shorter here

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Ok, so it's still not possible now?

ssss gravatar imagessss ( 2018-05-30 08:18:45 +0000 )edit

Yes, it's still not possible.

Anders gravatar imageAnders ( 2018-05-30 08:42:14 +0000 )edit

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Asked: 2018-05-30 08:01:11 +0000

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Last updated: Oct 06