Email stuck in queue starting from "2022/1/1 00:01:00 UTC+0" on all Exchange on-premises servers (KB5012765)

Applies To

Exchange Server 2019 Exchange Server 2016

Symptoms

Email messages are getting stuck in the queue starting from “2022/1/1 00:01:00 UTC+0” on all Microsoft Exchange Server on-premises servers.

To fix this issue, install the following updates, as appropriate:

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