Sysinternals
Advanced system utilities to manage, troubleshoot, and diagnose Windows and Linux systems and applications.
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TCP v4 missing from TCPview 4.0
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(185.6, 32%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJV%3C/text%3E%3C/svg%3E)
Julian van Wickeren
36
Reputation points
On a customers machine TCPview 4.0 is not showing any TCP v4 connection, while UDP v4 and both TCP/UDP v6 is fine. TCPview 3 does however show them fine. I really like the search capabilities on 4.0 but I'm puzzled on this. On my own machine TCPview 4.0 does show TCP v4 connections normally. Any clue on that one?
Sysinternals
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(176, 44%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
kl_rul 1 Reputation point2021-05-06T13:38:16.243+00:00 seems something related to Windows Server 2012R2 - can you confirm? I have the same problem with a 2012R2
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Julian van Wickeren 36 Reputation points
2021-05-06T14:12:36.12+00:00 The machine I see this on has Windows Server 2019 actually. Still not working witch TCPview v4.01
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(108.80000000000001, 37%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPB%3C/text%3E%3C/svg%3E)
Pavel Biryukov 1 Reputation point2021-08-24T12:28:39.723+00:00 Same thing on Windows 10. I have connections showing for some time, but then (with some load testing) they disappear from the list (though the are alive).
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5 answers
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Julian van Wickeren 36 Reputation points
2021-03-29T12:47:15.337+00:00 -
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(291.2, 51%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMB%3C/text%3E%3C/svg%3E)
mark buxton 6 Reputation points2021-06-11T17:32:02.05+00:00 I am running Windows 2016 Standard and have the same issue of IPv4 IPs and ports missing.
Running in vCenter 6.7 latest patches installed. Latest Microsoft patches installed as well.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(41.6, 74%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
ScottM 331 Reputation points2021-08-02T14:32:01.81+00:00 Running TCP View V 4.13 on Win2008R2
Similar issue, not showing TCPV4 connections. Is this a bug?
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 8%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDK%3C/text%3E%3C/svg%3E)
Darren Kimber 1 Reputation point2021-10-19T00:33:37.077+00:00 Downloaded 4.16 version and still get no TCPv4 on some servers - was using 4.14 which also had issue. If I use v3.05 these TCPv4 show.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 55.00000000000001%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EF%3C/text%3E%3C/svg%3E)
fantasyG520 0 Reputation points2023-05-11T03:25:32.18+00:00 4.19 on Windows Server 2019 also have this problem!!
fix it please!!
However, Use Tcpvcon 4.19 can list all v4 connection.
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fantasyG520 0 Reputation points
2023-05-11T03:33:01.5266667+00:00 Tcpvcon 4.19 can list all v4 connection, but TCPview 4.19 can't
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(153.6, 9%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMD%3C/text%3E%3C/svg%3E)
Massimo Di Berardino 0 Reputation points2023-07-13T09:31:24.8366667+00:00 Same problem on Windows 2019. Please fix it