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Hyper-V, no Internet since 21.8.5.452!


Tormas

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Hey, since the last VPN Update (21.8.5.452 (c)) my vPC's in Hyper-V have no Internet.

Windows Diagnostic tell's me, there is a kind of DNS problem.

I already set the DNS to 8.8.8.8, also tryed other DNS Server... he's in the Hyper-V Netzwork, but without Internet.

System:
Win 10 Pro 22H2, KTS 21.3.10.391(j), VPN 21.8.5.452 (c)

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Hi @Tormas

A bit of clarification, if you do not mind: 

1. No Internet with disabled VPN as well? 

2. Can you check your network adapters, how many are there starting with Kaspersky? 

3. Does it help to exit KTS? 

4. Does it help to uninstall VPN? 

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Hey @Igor Kurzin,

Strange thing today... for some reason it worked for a short time, but after a restart of the Host it's again failing in the vPC with the DNS error.

Sure:

1.
If VPN is not connected, vPC have Internet without any problems.

2.
Host: Realtek, Kaspersky & Hyper-V Adapter
vPC: Hyper-V Adapter

3.
No, turning off KTS does not help.

4. 
reinstalling VPN also does not help, atm VPN 21.8.5.452 (a).

Edited by Tormas
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Hey @Igor Kurzin,

i don't know which exe is needed... so I activated "show all process" and added everything in there, vPC still have no Connection, same DNS problem.

Anyway, I need the VPN also in the vPC.

Maybe this will help... it's remeber me to a old Bug Nr. 4683798... maybe it's a similar problem?

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  • 2 weeks later...

Hello @Tormas,

Please check if you have DNS over HTTPs enabled on vPC's ethernet adapter and/or in your vPC's Internet browser? If so, please disable it.

If your vPC is intended to use with Kaspersky VPN only, it is safer to change DNS settings in vPC to 198.51.100.1 and 198.51.100.2.

Please let us know if something is changed.

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Hello @Romanamors,

I can't find anything like that in Windows 10 Pro 22H2 ... a short google search only show me workarounds with registry edits... i don't do things like that, so I think it's already disabled by default.

VPN_HyperV.thumb.png.fd6275c6ebb28e87a200abebbf655811.png

Edited by Tormas
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  • 1 month later...
  • 3 weeks later...

Hello again & sorry for the late response, Igor you have a PN for the Case Number you asked for.

In between... i got 20.03.2023 an email where the Support tells me... before they naturally collected a ton of data from me... a Bug Nr. 6431491 for my Case was created.

How long it will take to fix that? 3 Months of anger already done...

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