Microsoft Update KB5014805 or KB5014692 from the 6/15/2022 breaks Internet-Connection of Windows Server 2019 when using NAT

HansKyburz 1 Reputation point
2022-06-20T07:53:20.613+00:00

I have a network based on a DC and a domain-joined server both running on Server 2019 for 2 years. The domain-joined server has two network cards, one facing the internet and one facing the company's internal network. The traffic of the workstations to the Internet works via the domain-joined server with NAT. Until recently all workstations, the DC and the domain-joined server could communicate with the Internet. Since the Windows update, however, the domain-joined server itself can no longer access the Internet, but the DC and the workstations still can.

The update from 6/15/2022 led to the following concrete problems on the domain-joined server:

  1. Boot of the server leads to correct detection of a domain network, but the access type is "No network access".
  2. When I restart the NLA service, the domain network changes to an unauthenticated public network, which does not allow the domain-joined server to access the Internet.

I would be grateful for a solution.

HansKyburz

Windows Server 2019
Windows Server 2019
A Microsoft server operating system that supports enterprise-level management, data storage, applications, and communications.
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  1. Limitless Technology 37,351 Reputation points
    2022-06-21T08:15:22.737+00:00

    Hi there,

    The issue you are facing might be due to KB5014697. According to the official Microsoft Windows 11 update KB5014697 is preventing the Wi-Fi hotspot feature from working correctly on some PCs. Some systems running the update will lose internet connection when acting as a hot-spot host for other devices and this might also affect your Windows Server.

    The best solution may be to uninstall the update altogether until there’s a proper fix for this issue.
    Microsoft is currently working on a permanent solution but meanwhile is offering the following temporary fix: "To mitigate the issue and restore internet access on the host device, you can disable the Wi-Fi hotspot feature"

    Windows 11 known issues and notifications https://learn.microsoft.com/en-us/windows/release-health/status-windows-11-21h2

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  2. HansKyburz 1 Reputation point
    2022-06-21T12:58:05.173+00:00

    I uninstalled both updates, everything is fine again. I should contact Microsoft but am too busy for the moment.

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  3. HansKyburz 1 Reputation point
    2022-06-21T16:04:50.883+00:00

    Correction: Uninstalling only KB5014692 does the job.