Windows Updates Break NIC Teaming on Dell R620 and R630 Servers

G

GBarber

We have a rack of 7 Dell Servers (R620 and R630's) running windows server 2012R2 and windows server 2016 standard.

They are connected via gigabit Ethernet.

These machines were all operating with NIC teaming for several years and were updated with the latest releases monthly.

In recent Windows Server updated updates July/August 2019 5 of the 7 servers failed networking (either altogether or slow and unstable) after the updates. This on both 2012R2 and 2016 based machines.

In each case it was necessarily to disable NIC teaming to restore normal network behavior.

Does anyone have any ideas as to what is going on?


Glenn Barber

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