11:57 a.m.
All,
enclosed is the Zoom Root Cause Analysis (RCA) of the issue encounter
between 17 and 21 UTC on 20241022.
The effect of the issue was that users on a subset of sub-accounts could
not start/join meetings and instead received 3010 errors.
The issue was triggered when NORDUnet was doing planned maintenance on a
Zoom Zone, removing that Zone from all sub-accounts.
Zoom had recently deployed a new security feature that had a flaw which
then returned a completely empty Zone list to these sub-accounts, that then
had no active Zoom Zone to connect to.
The workaround was to disable the security feature which restored
operations.
A fix has been deployed that permanently has resolved the problem.
Full Zoom RCA enclosed.
NORDUnet regrets the problems encountered due to this.
Brgds,
Jørgen Qvist
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https://nordu.net/legal-notice/
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