NOC: Emergency Exchange server maintenance – 03 March 2021 21:00 CET

On March 3, 2021, we carried out emergency maintenance on our Exchange servers to apply critical Microsoft security updates.
The work began at 21:00 CET and was completed overnight with no expected downtime, thanks to our redundant cluster setup. These urgent updates were applied immediately to ensure the highest level of security and reliability for our clients’ communication systems.

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Historical record from 2021. This article describes the announcement or guidance at that time; it does not confirm today’s service arrangements, product support or security status. We are applying emergency exchange server maintenance on 03 march 2021 starting from 21:00 CET.

There should be no downtime as the updates roll out redundantly over our exchange clusters.

The emergency updates are to address the recent chain of Exchange security updates released and reported by Microsoft: https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server/

Due to the serious nature of the security patches we have chosen to launch the maintenance as soon as possible and not even wait till after midnight.

The updates roll out is expected to last till 02:00 AM 04 march 2021. 

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