Community Record
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30
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Jan 12 2022
1:01 PM
The KB's may be different depending on which OS you are running. Try going into Windows Settings on an affected machine, then Windows Update, click on "View Update History". Write down whatever KB's were installed yesterday or today.
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Jan 12 2022
11:18 AM
1 Kudo
I think this is more of a MS problem than a Meraki problem. Given how widespread this issue is I would expect new patches to be released within a week or so.
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Jan 12 2022
10:09 AM
@GiacomoS I am internal IT and we only use Meraki gear, so no first-hand knowledge. I've just seen other affected platforms mentioned online.
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Jan 11 2022
5:20 PM
1 Kudo
I've seen KB5009543 as well. Other platforms that use L2TP are being impacted too.
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Jan 11 2022
4:46 PM
1 Kudo
I uninstalled KB5009543 and KB5008876. I'll see if I can narrow it down tomorrow.
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Jan 11 2022
2:09 PM
7 Kudos
I gave re-creating the connections a try, no luck. I also tried running through my mobile hotspot to no avail. *OS is Windows 10 20H2 **After removing the updates (and doing nothing else) the VPN works again.
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Jan 11 2022
1:50 PM
20 Kudos
After patching a couple machines with the January Windows Updates I found that our Meraki Client VPN no longer works. I get error 789 in Windows Event Viewer, and nothing at all in the Meraki Event Log. This is the error displayed when attempting to connect. It errors out within a second of hitting connect, doesn't even prompt for creds. We've had AssumeUDPEncapsulationContextOnSendRule set to 2 for some years. I tried removing / rebooting / re-adding this key; same error. I also tried switching our PSK to a key without special characters, same error. I have confirmed this on 2 different machines. Unpatched machines continue to connect without issue. Anyone else run into this today?
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