MSPoweruser: Microsoft release new Cumulative Update for Windows 10 users on the Long-Term Servicing Channel

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Microsoft has released a new Cumulative Update for Windows 10 users on Windows 10 1607 ie the Anniversary Update.

1607 is no longer supported for regular users but is still available for users on the Long-Term Servicing Channel (LTSC), and Windows 10 Enterprise and Education SKUs.

KB4478877 addresses an issue that prevents the release of the on-demand Source Network Address Translation (SNAT) port allocated to a virtual machine (VM) after the SNAT port is no longer in use. As a result, the SNAT port becomes exhausted.